diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c
index fc15b4a..57e800a 100644
--- a/drivers/usb/core/buffer.c
+++ b/drivers/usb/core/buffer.c
@@ -106,7 +106,7 @@
 void *hcd_buffer_alloc (
 	struct usb_bus 		*bus,
 	size_t			size,
-	unsigned		mem_flags,
+	gfp_t			mem_flags,
 	dma_addr_t		*dma
 )
 {
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 1017a97..ff19d64 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1112,7 +1112,7 @@
  * expects usb_submit_urb() to have sanity checked and conditioned all
  * inputs in the urb
  */
-static int hcd_submit_urb (struct urb *urb, unsigned mem_flags)
+static int hcd_submit_urb (struct urb *urb, gfp_t mem_flags)
 {
 	int			status;
 	struct usb_hcd		*hcd = urb->dev->bus->hcpriv;
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index ac451fa..1f1ed62 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -142,12 +142,12 @@
 
 struct usb_operations {
 	int (*get_frame_number) (struct usb_device *usb_dev);
-	int (*submit_urb) (struct urb *urb, unsigned mem_flags);
+	int (*submit_urb) (struct urb *urb, gfp_t mem_flags);
 	int (*unlink_urb) (struct urb *urb, int status);
 
 	/* allocate dma-consistent buffer for URB_DMA_NOMAPPING */
 	void *(*buffer_alloc)(struct usb_bus *bus, size_t size,
-			unsigned mem_flags,
+			gfp_t mem_flags,
 			dma_addr_t *dma);
 	void (*buffer_free)(struct usb_bus *bus, size_t size,
 			void *addr, dma_addr_t dma);
@@ -200,7 +200,7 @@
 	int	(*urb_enqueue) (struct usb_hcd *hcd,
 					struct usb_host_endpoint *ep,
 					struct urb *urb,
-					unsigned mem_flags);
+					gfp_t mem_flags);
 	int	(*urb_dequeue) (struct usb_hcd *hcd, struct urb *urb);
 
 	/* hw synch, freeing endpoint resources that urb_dequeue can't */
@@ -247,7 +247,7 @@
 void hcd_buffer_destroy (struct usb_hcd *hcd);
 
 void *hcd_buffer_alloc (struct usb_bus *bus, size_t size,
-	unsigned mem_flags, dma_addr_t *dma);
+	gfp_t mem_flags, dma_addr_t *dma);
 void hcd_buffer_free (struct usb_bus *bus, size_t size,
 	void *addr, dma_addr_t dma);
 
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index f1fb67f..f9a81e8 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -321,7 +321,7 @@
 	struct scatterlist	*sg,
 	int			nents,
 	size_t			length,
-	unsigned		mem_flags
+	gfp_t			mem_flags
 )
 {
 	int			i;
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index c846fef..b32898e 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -60,7 +60,7 @@
  *
  * The driver must call usb_free_urb() when it is finished with the urb.
  */
-struct urb *usb_alloc_urb(int iso_packets, unsigned mem_flags)
+struct urb *usb_alloc_urb(int iso_packets, gfp_t mem_flags)
 {
 	struct urb *urb;
 
@@ -224,7 +224,7 @@
  *      GFP_NOIO, unless b) or c) apply
  *
  */
-int usb_submit_urb(struct urb *urb, unsigned mem_flags)
+int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 {
 	int			pipe, temp, max;
 	struct usb_device	*dev;
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 7d13150..4c57f3f 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -1147,7 +1147,7 @@
 void *usb_buffer_alloc (
 	struct usb_device *dev,
 	size_t size,
-	unsigned mem_flags,
+	gfp_t mem_flags,
 	dma_addr_t *dma
 )
 {
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 583db7c..8d9d8ee 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -470,7 +470,7 @@
 }
 
 static struct usb_request *
-dummy_alloc_request (struct usb_ep *_ep, unsigned mem_flags)
+dummy_alloc_request (struct usb_ep *_ep, gfp_t mem_flags)
 {
 	struct dummy_ep		*ep;
 	struct dummy_request	*req;
@@ -507,7 +507,7 @@
 	struct usb_ep *_ep,
 	unsigned bytes,
 	dma_addr_t *dma,
-	unsigned mem_flags
+	gfp_t mem_flags
 ) {
 	char			*retval;
 	struct dummy_ep		*ep;
@@ -541,7 +541,7 @@
 
 static int
 dummy_queue (struct usb_ep *_ep, struct usb_request *_req,
-		unsigned mem_flags)
+		gfp_t mem_flags)
 {
 	struct dummy_ep		*ep;
 	struct dummy_request	*req;
@@ -999,7 +999,7 @@
 	struct usb_hcd			*hcd,
 	struct usb_host_endpoint	*ep,
 	struct urb			*urb,
-	unsigned			mem_flags
+	gfp_t				mem_flags
 ) {
 	struct dummy	*dum;
 	struct urbp	*urbp;
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 49459e3..f1024e8 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -945,11 +945,11 @@
 
 /*-------------------------------------------------------------------------*/
 
-static void eth_start (struct eth_dev *dev, unsigned gfp_flags);
-static int alloc_requests (struct eth_dev *dev, unsigned n, unsigned gfp_flags);
+static void eth_start (struct eth_dev *dev, gfp_t gfp_flags);
+static int alloc_requests (struct eth_dev *dev, unsigned n, gfp_t gfp_flags);
 
 static int
-set_ether_config (struct eth_dev *dev, unsigned gfp_flags)
+set_ether_config (struct eth_dev *dev, gfp_t gfp_flags)
 {
 	int					result = 0;
 	struct usb_gadget			*gadget = dev->gadget;
@@ -1081,7 +1081,7 @@
  * that returns config descriptors, and altsetting code.
  */
 static int
-eth_set_config (struct eth_dev *dev, unsigned number, unsigned gfp_flags)
+eth_set_config (struct eth_dev *dev, unsigned number, gfp_t gfp_flags)
 {
 	int			result = 0;
 	struct usb_gadget	*gadget = dev->gadget;
@@ -1598,7 +1598,7 @@
 static void rx_complete (struct usb_ep *ep, struct usb_request *req);
 
 static int
-rx_submit (struct eth_dev *dev, struct usb_request *req, unsigned gfp_flags)
+rx_submit (struct eth_dev *dev, struct usb_request *req, gfp_t gfp_flags)
 {
 	struct sk_buff		*skb;
 	int			retval = -ENOMEM;
@@ -1724,7 +1724,7 @@
 }
 
 static int prealloc (struct list_head *list, struct usb_ep *ep,
-			unsigned n, unsigned gfp_flags)
+			unsigned n, gfp_t gfp_flags)
 {
 	unsigned		i;
 	struct usb_request	*req;
@@ -1763,7 +1763,7 @@
 	return 0;
 }
 
-static int alloc_requests (struct eth_dev *dev, unsigned n, unsigned gfp_flags)
+static int alloc_requests (struct eth_dev *dev, unsigned n, gfp_t gfp_flags)
 {
 	int status;
 
@@ -1779,7 +1779,7 @@
 	return status;
 }
 
-static void rx_fill (struct eth_dev *dev, unsigned gfp_flags)
+static void rx_fill (struct eth_dev *dev, gfp_t gfp_flags)
 {
 	struct usb_request	*req;
 	unsigned long		flags;
@@ -1962,7 +1962,7 @@
  * normally just one notification will be queued.
  */
 
-static struct usb_request *eth_req_alloc (struct usb_ep *, unsigned, unsigned);
+static struct usb_request *eth_req_alloc (struct usb_ep *, unsigned, gfp_t);
 static void eth_req_free (struct usb_ep *ep, struct usb_request *req);
 
 static void
@@ -2024,7 +2024,7 @@
 
 #endif	/* RNDIS */
 
-static void eth_start (struct eth_dev *dev, unsigned gfp_flags)
+static void eth_start (struct eth_dev *dev, gfp_t gfp_flags)
 {
 	DEBUG (dev, "%s\n", __FUNCTION__);
 
@@ -2092,7 +2092,7 @@
 /*-------------------------------------------------------------------------*/
 
 static struct usb_request *
-eth_req_alloc (struct usb_ep *ep, unsigned size, unsigned gfp_flags)
+eth_req_alloc (struct usb_ep *ep, unsigned size, gfp_t gfp_flags)
 {
 	struct usb_request	*req;
 
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index eaab26f..b0f3cd6 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -269,7 +269,7 @@
 /*-------------------------------------------------------------------------*/
 
 static struct usb_request *
-goku_alloc_request(struct usb_ep *_ep, unsigned gfp_flags)
+goku_alloc_request(struct usb_ep *_ep, gfp_t gfp_flags)
 {
 	struct goku_request	*req;
 
@@ -327,7 +327,7 @@
  */
 static void *
 goku_alloc_buffer(struct usb_ep *_ep, unsigned bytes,
-			dma_addr_t *dma, unsigned gfp_flags)
+			dma_addr_t *dma, gfp_t gfp_flags)
 {
 	void		*retval;
 	struct goku_ep	*ep;
@@ -789,7 +789,7 @@
 /*-------------------------------------------------------------------------*/
 
 static int
-goku_queue(struct usb_ep *_ep, struct usb_request *_req, unsigned gfp_flags)
+goku_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
 {
 	struct goku_request	*req;
 	struct goku_ep		*ep;
diff --git a/drivers/usb/gadget/lh7a40x_udc.c b/drivers/usb/gadget/lh7a40x_udc.c
index 4842577..012d1e5 100644
--- a/drivers/usb/gadget/lh7a40x_udc.c
+++ b/drivers/usb/gadget/lh7a40x_udc.c
@@ -71,13 +71,13 @@
 static int lh7a40x_ep_enable(struct usb_ep *ep,
 			     const struct usb_endpoint_descriptor *);
 static int lh7a40x_ep_disable(struct usb_ep *ep);
-static struct usb_request *lh7a40x_alloc_request(struct usb_ep *ep, int);
+static struct usb_request *lh7a40x_alloc_request(struct usb_ep *ep, gfp_t);
 static void lh7a40x_free_request(struct usb_ep *ep, struct usb_request *);
 static void *lh7a40x_alloc_buffer(struct usb_ep *ep, unsigned, dma_addr_t *,
-				  int);
+				  gfp_t);
 static void lh7a40x_free_buffer(struct usb_ep *ep, void *, dma_addr_t,
 				unsigned);
-static int lh7a40x_queue(struct usb_ep *ep, struct usb_request *, int);
+static int lh7a40x_queue(struct usb_ep *ep, struct usb_request *, gfp_t);
 static int lh7a40x_dequeue(struct usb_ep *ep, struct usb_request *);
 static int lh7a40x_set_halt(struct usb_ep *ep, int);
 static int lh7a40x_fifo_status(struct usb_ep *ep);
@@ -1106,7 +1106,7 @@
 }
 
 static struct usb_request *lh7a40x_alloc_request(struct usb_ep *ep,
-						 unsigned gfp_flags)
+						 gfp_t gfp_flags)
 {
 	struct lh7a40x_request *req;
 
@@ -1134,7 +1134,7 @@
 }
 
 static void *lh7a40x_alloc_buffer(struct usb_ep *ep, unsigned bytes,
-				  dma_addr_t * dma, unsigned gfp_flags)
+				  dma_addr_t * dma, gfp_t gfp_flags)
 {
 	char *retval;
 
@@ -1158,7 +1158,7 @@
  *  NOTE: Sets INDEX register
  */
 static int lh7a40x_queue(struct usb_ep *_ep, struct usb_request *_req,
-			 unsigned gfp_flags)
+			 gfp_t gfp_flags)
 {
 	struct lh7a40x_request *req;
 	struct lh7a40x_ep *ep;
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 477fab2..c32e1f7 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -376,7 +376,7 @@
 /*-------------------------------------------------------------------------*/
 
 static struct usb_request *
-net2280_alloc_request (struct usb_ep *_ep, unsigned gfp_flags)
+net2280_alloc_request (struct usb_ep *_ep, gfp_t gfp_flags)
 {
 	struct net2280_ep	*ep;
 	struct net2280_request	*req;
@@ -463,7 +463,7 @@
 	struct usb_ep		*_ep,
 	unsigned		bytes,
 	dma_addr_t		*dma,
-	unsigned		gfp_flags
+	gfp_t			gfp_flags
 )
 {
 	void			*retval;
@@ -897,7 +897,7 @@
 /*-------------------------------------------------------------------------*/
 
 static int
-net2280_queue (struct usb_ep *_ep, struct usb_request *_req, unsigned gfp_flags)
+net2280_queue (struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
 {
 	struct net2280_request	*req;
 	struct net2280_ep	*ep;
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index ff5533e..287c590 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -269,7 +269,7 @@
 /*-------------------------------------------------------------------------*/
 
 static struct usb_request *
-omap_alloc_request(struct usb_ep *ep, unsigned gfp_flags)
+omap_alloc_request(struct usb_ep *ep, gfp_t gfp_flags)
 {
 	struct omap_req	*req;
 
@@ -298,7 +298,7 @@
 	struct usb_ep	*_ep,
 	unsigned	bytes,
 	dma_addr_t	*dma,
-	unsigned	gfp_flags
+	gfp_t		gfp_flags
 )
 {
 	void		*retval;
@@ -937,7 +937,7 @@
 /*-------------------------------------------------------------------------*/
 
 static int
-omap_ep_queue(struct usb_ep *_ep, struct usb_request *_req, unsigned gfp_flags)
+omap_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
 {
 	struct omap_ep	*ep = container_of(_ep, struct omap_ep, ep);
 	struct omap_req	*req = container_of(_req, struct omap_req, req);
diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c
index 73f8c94..6e54539 100644
--- a/drivers/usb/gadget/pxa2xx_udc.c
+++ b/drivers/usb/gadget/pxa2xx_udc.c
@@ -332,7 +332,7 @@
  * 	pxa2xx_ep_alloc_request - allocate a request data structure
  */
 static struct usb_request *
-pxa2xx_ep_alloc_request (struct usb_ep *_ep, unsigned gfp_flags)
+pxa2xx_ep_alloc_request (struct usb_ep *_ep, gfp_t gfp_flags)
 {
 	struct pxa2xx_request *req;
 
@@ -367,7 +367,7 @@
  */
 static void *
 pxa2xx_ep_alloc_buffer(struct usb_ep *_ep, unsigned bytes,
-	dma_addr_t *dma, unsigned gfp_flags)
+	dma_addr_t *dma, gfp_t gfp_flags)
 {
 	char			*retval;
 
@@ -874,7 +874,7 @@
 /*-------------------------------------------------------------------------*/
 
 static int
-pxa2xx_ep_queue(struct usb_ep *_ep, struct usb_request *_req, unsigned gfp_flags)
+pxa2xx_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
 {
 	struct pxa2xx_request	*req;
 	struct pxa2xx_ep	*ep;
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index c925d92..b35ac6d 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -300,18 +300,18 @@
 		u8 type, unsigned int index, int is_otg);
 
 static struct usb_request *gs_alloc_req(struct usb_ep *ep, unsigned int len,
-	unsigned kmalloc_flags);
+	gfp_t kmalloc_flags);
 static void gs_free_req(struct usb_ep *ep, struct usb_request *req);
 
 static struct gs_req_entry *gs_alloc_req_entry(struct usb_ep *ep, unsigned len,
-	unsigned kmalloc_flags);
+	gfp_t kmalloc_flags);
 static void gs_free_req_entry(struct usb_ep *ep, struct gs_req_entry *req);
 
-static int gs_alloc_ports(struct gs_dev *dev, unsigned kmalloc_flags);
+static int gs_alloc_ports(struct gs_dev *dev, gfp_t kmalloc_flags);
 static void gs_free_ports(struct gs_dev *dev);
 
 /* circular buffer */
-static struct gs_buf *gs_buf_alloc(unsigned int size, unsigned kmalloc_flags);
+static struct gs_buf *gs_buf_alloc(unsigned int size, gfp_t kmalloc_flags);
 static void gs_buf_free(struct gs_buf *gb);
 static void gs_buf_clear(struct gs_buf *gb);
 static unsigned int gs_buf_data_avail(struct gs_buf *gb);
@@ -2091,7 +2091,7 @@
  * usb_request or NULL if there is an error.
  */
 static struct usb_request *
-gs_alloc_req(struct usb_ep *ep, unsigned int len, unsigned kmalloc_flags)
+gs_alloc_req(struct usb_ep *ep, unsigned int len, gfp_t kmalloc_flags)
 {
 	struct usb_request *req;
 
@@ -2132,7 +2132,7 @@
  * endpoint, buffer len, and kmalloc flags.
  */
 static struct gs_req_entry *
-gs_alloc_req_entry(struct usb_ep *ep, unsigned len, unsigned kmalloc_flags)
+gs_alloc_req_entry(struct usb_ep *ep, unsigned len, gfp_t kmalloc_flags)
 {
 	struct gs_req_entry	*req;
 
@@ -2173,7 +2173,7 @@
  *
  * The device lock is normally held when calling this function.
  */
-static int gs_alloc_ports(struct gs_dev *dev, unsigned kmalloc_flags)
+static int gs_alloc_ports(struct gs_dev *dev, gfp_t kmalloc_flags)
 {
 	int i;
 	struct gs_port *port;
@@ -2255,7 +2255,7 @@
  *
  * Allocate a circular buffer and all associated memory.
  */
-static struct gs_buf *gs_buf_alloc(unsigned int size, unsigned kmalloc_flags)
+static struct gs_buf *gs_buf_alloc(unsigned int size, gfp_t kmalloc_flags)
 {
 	struct gs_buf *gb;
 
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 6890e77..ec9c424 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -612,7 +612,7 @@
 }
 
 static struct usb_request *
-source_sink_start_ep (struct usb_ep *ep, unsigned gfp_flags)
+source_sink_start_ep (struct usb_ep *ep, gfp_t gfp_flags)
 {
 	struct usb_request	*req;
 	int			status;
@@ -640,7 +640,7 @@
 }
 
 static int
-set_source_sink_config (struct zero_dev *dev, unsigned gfp_flags)
+set_source_sink_config (struct zero_dev *dev, gfp_t gfp_flags)
 {
 	int			result = 0;
 	struct usb_ep		*ep;
@@ -744,7 +744,7 @@
 }
 
 static int
-set_loopback_config (struct zero_dev *dev, unsigned gfp_flags)
+set_loopback_config (struct zero_dev *dev, gfp_t gfp_flags)
 {
 	int			result = 0;
 	struct usb_ep		*ep;
@@ -845,7 +845,7 @@
  * by limiting configuration choices (like the pxa2xx).
  */
 static int
-zero_set_config (struct zero_dev *dev, unsigned number, unsigned gfp_flags)
+zero_set_config (struct zero_dev *dev, unsigned number, gfp_t gfp_flags)
 {
 	int			result = 0;
 	struct usb_gadget	*gadget = dev->gadget;
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index b948ffd..f5eb9e7 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -983,7 +983,7 @@
 	struct usb_hcd	*hcd,
 	struct usb_host_endpoint *ep,
 	struct urb	*urb,
-	unsigned	mem_flags
+	gfp_t		mem_flags
 ) {
 	struct ehci_hcd		*ehci = hcd_to_ehci (hcd);
 	struct list_head	qtd_list;
diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c
index 5c38ad8..91c2ab4 100644
--- a/drivers/usb/host/ehci-mem.c
+++ b/drivers/usb/host/ehci-mem.c
@@ -45,7 +45,7 @@
 	INIT_LIST_HEAD (&qtd->qtd_list);
 }
 
-static struct ehci_qtd *ehci_qtd_alloc (struct ehci_hcd *ehci, int flags)
+static struct ehci_qtd *ehci_qtd_alloc (struct ehci_hcd *ehci, gfp_t flags)
 {
 	struct ehci_qtd		*qtd;
 	dma_addr_t		dma;
@@ -79,7 +79,7 @@
 	dma_pool_free (ehci->qh_pool, qh, qh->qh_dma);
 }
 
-static struct ehci_qh *ehci_qh_alloc (struct ehci_hcd *ehci, int flags)
+static struct ehci_qh *ehci_qh_alloc (struct ehci_hcd *ehci, gfp_t flags)
 {
 	struct ehci_qh		*qh;
 	dma_addr_t		dma;
@@ -161,7 +161,7 @@
 }
 
 /* remember to add cleanup code (above) if you add anything here */
-static int ehci_mem_init (struct ehci_hcd *ehci, int flags)
+static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags)
 {
 	int i;
 
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 940d38c..5bb872c 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -477,7 +477,7 @@
 	struct ehci_hcd		*ehci,
 	struct urb		*urb,
 	struct list_head	*head,
-	int			flags
+	gfp_t			flags
 ) {
 	struct ehci_qtd		*qtd, *qtd_prev;
 	dma_addr_t		buf;
@@ -629,7 +629,7 @@
 qh_make (
 	struct ehci_hcd		*ehci,
 	struct urb		*urb,
-	int			flags
+	gfp_t			flags
 ) {
 	struct ehci_qh		*qh = ehci_qh_alloc (ehci, flags);
 	u32			info1 = 0, info2 = 0;
@@ -906,7 +906,7 @@
 	struct usb_host_endpoint *ep,
 	struct urb		*urb,
 	struct list_head	*qtd_list,
-	unsigned		mem_flags
+	gfp_t			mem_flags
 ) {
 	struct ehci_qtd		*qtd;
 	int			epnum;
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index ccc7300..f0c8aa1 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -589,7 +589,7 @@
 	struct usb_host_endpoint *ep,
 	struct urb		*urb,
 	struct list_head	*qtd_list,
-	unsigned		mem_flags
+	gfp_t			mem_flags
 ) {
 	unsigned		epnum;
 	unsigned long		flags;
@@ -634,7 +634,7 @@
 /* ehci_iso_stream ops work with both ITD and SITD */
 
 static struct ehci_iso_stream *
-iso_stream_alloc (unsigned mem_flags)
+iso_stream_alloc (gfp_t mem_flags)
 {
 	struct ehci_iso_stream *stream;
 
@@ -851,7 +851,7 @@
 /* ehci_iso_sched ops can be ITD-only or SITD-only */
 
 static struct ehci_iso_sched *
-iso_sched_alloc (unsigned packets, unsigned mem_flags)
+iso_sched_alloc (unsigned packets, gfp_t mem_flags)
 {
 	struct ehci_iso_sched	*iso_sched;
 	int			size = sizeof *iso_sched;
@@ -924,7 +924,7 @@
 	struct ehci_iso_stream	*stream,
 	struct ehci_hcd		*ehci,
 	struct urb		*urb,
-	unsigned		mem_flags
+	gfp_t			mem_flags
 )
 {
 	struct ehci_itd		*itd;
@@ -1418,7 +1418,7 @@
 /*-------------------------------------------------------------------------*/
 
 static int itd_submit (struct ehci_hcd *ehci, struct urb *urb,
-	unsigned mem_flags)
+	gfp_t mem_flags)
 {
 	int			status = -EINVAL;
 	unsigned long		flags;
@@ -1529,7 +1529,7 @@
 	struct ehci_iso_stream	*stream,
 	struct ehci_hcd		*ehci,
 	struct urb		*urb,
-	unsigned		mem_flags
+	gfp_t			mem_flags
 )
 {
 	struct ehci_sitd	*sitd;
@@ -1779,7 +1779,7 @@
 
 
 static int sitd_submit (struct ehci_hcd *ehci, struct urb *urb,
-	unsigned mem_flags)
+	gfp_t mem_flags)
 {
 	int			status = -EINVAL;
 	unsigned long		flags;
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index e142056..2548d94 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -694,7 +694,7 @@
 
 static int isp116x_urb_enqueue(struct usb_hcd *hcd,
 			       struct usb_host_endpoint *hep, struct urb *urb,
-			       unsigned mem_flags)
+			       gfp_t mem_flags)
 {
 	struct isp116x *isp116x = hcd_to_isp116x(hcd);
 	struct usb_device *udev = urb->dev;
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 67c1aa5..f8da8c7 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -180,7 +180,7 @@
 	struct usb_hcd	*hcd,
 	struct usb_host_endpoint *ep,
 	struct urb	*urb,
-	unsigned	mem_flags
+	gfp_t		mem_flags
 ) {
 	struct ohci_hcd	*ohci = hcd_to_ohci (hcd);
 	struct ed	*ed;
diff --git a/drivers/usb/host/ohci-mem.c b/drivers/usb/host/ohci-mem.c
index fd3c4d3..9fb83df 100644
--- a/drivers/usb/host/ohci-mem.c
+++ b/drivers/usb/host/ohci-mem.c
@@ -84,7 +84,7 @@
 
 /* TDs ... */
 static struct td *
-td_alloc (struct ohci_hcd *hc, unsigned mem_flags)
+td_alloc (struct ohci_hcd *hc, gfp_t mem_flags)
 {
 	dma_addr_t	dma;
 	struct td	*td;
@@ -118,7 +118,7 @@
 
 /* EDs ... */
 static struct ed *
-ed_alloc (struct ohci_hcd *hc, unsigned mem_flags)
+ed_alloc (struct ohci_hcd *hc, gfp_t mem_flags)
 {
 	dma_addr_t	dma;
 	struct ed	*ed;
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index d42a15d..cad8585 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -818,7 +818,7 @@
 	struct usb_hcd		*hcd,
 	struct usb_host_endpoint *hep,
 	struct urb		*urb,
-	unsigned		mem_flags
+	gfp_t			mem_flags
 ) {
 	struct sl811		*sl811 = hcd_to_sl811(hcd);
 	struct usb_device	*udev = urb->dev;
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index ea0d168..4e0fbe2 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -1164,7 +1164,7 @@
 
 static int uhci_urb_enqueue(struct usb_hcd *hcd,
 		struct usb_host_endpoint *ep,
-		struct urb *urb, unsigned mem_flags)
+		struct urb *urb, gfp_t mem_flags)
 {
 	int ret;
 	struct uhci_hcd *uhci = hcd_to_uhci(hcd);
diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index 03fb70e..0592cb5 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -137,7 +137,7 @@
 
 static struct uss720_async_request *submit_async_request(struct parport_uss720_private *priv,
 							 __u8 request, __u8 requesttype, __u16 value, __u16 index,
-							 unsigned int mem_flags)
+							 gfp_t mem_flags)
 {
 	struct usb_device *usbdev;
 	struct uss720_async_request *rq;
@@ -204,7 +204,7 @@
 
 /* --------------------------------------------------------------------- */
 
-static int get_1284_register(struct parport *pp, unsigned char reg, unsigned char *val, unsigned int mem_flags)
+static int get_1284_register(struct parport *pp, unsigned char reg, unsigned char *val, gfp_t mem_flags)
 {
 	struct parport_uss720_private *priv;
 	struct uss720_async_request *rq;
@@ -238,7 +238,7 @@
 	return -EIO;
 }
 
-static int set_1284_register(struct parport *pp, unsigned char reg, unsigned char val, unsigned int mem_flags)
+static int set_1284_register(struct parport *pp, unsigned char reg, unsigned char val, gfp_t mem_flags)
 {
 	struct parport_uss720_private *priv;
 	struct uss720_async_request *rq;
diff --git a/drivers/usb/net/asix.c b/drivers/usb/net/asix.c
index 861f00a..252a34f 100644
--- a/drivers/usb/net/asix.c
+++ b/drivers/usb/net/asix.c
@@ -753,7 +753,7 @@
 }
 
 static struct sk_buff *ax88772_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
-					unsigned flags)
+					gfp_t flags)
 {
 	int padlen;
 	int headroom = skb_headroom(skb);
diff --git a/drivers/usb/net/gl620a.c b/drivers/usb/net/gl620a.c
index c8763ae..c0f263b 100644
--- a/drivers/usb/net/gl620a.c
+++ b/drivers/usb/net/gl620a.c
@@ -301,7 +301,7 @@
 }
 
 static struct sk_buff *
-genelink_tx_fixup(struct usbnet *dev, struct sk_buff *skb, unsigned flags)
+genelink_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
 {
 	int 	padlen;
 	int	length = skb->len;
diff --git a/drivers/usb/net/kaweth.c b/drivers/usb/net/kaweth.c
index e04b0ce..c82655d 100644
--- a/drivers/usb/net/kaweth.c
+++ b/drivers/usb/net/kaweth.c
@@ -477,13 +477,13 @@
 }
 
 static void kaweth_usb_receive(struct urb *, struct pt_regs *regs);
-static int kaweth_resubmit_rx_urb(struct kaweth_device *, unsigned);
+static int kaweth_resubmit_rx_urb(struct kaweth_device *, gfp_t);
 
 /****************************************************************
 	int_callback
 *****************************************************************/
 
-static void kaweth_resubmit_int_urb(struct kaweth_device *kaweth, int mf)
+static void kaweth_resubmit_int_urb(struct kaweth_device *kaweth, gfp_t mf)
 {
 	int status;
 
@@ -550,7 +550,7 @@
  *     kaweth_resubmit_rx_urb
  ****************************************************************/
 static int kaweth_resubmit_rx_urb(struct kaweth_device *kaweth,
-						unsigned mem_flags)
+						gfp_t mem_flags)
 {
 	int result;
 
diff --git a/drivers/usb/net/net1080.c b/drivers/usb/net/net1080.c
index a4309c4..cee55f8 100644
--- a/drivers/usb/net/net1080.c
+++ b/drivers/usb/net/net1080.c
@@ -500,7 +500,7 @@
 }
 
 static struct sk_buff *
-net1080_tx_fixup(struct usbnet *dev, struct sk_buff *skb, unsigned flags)
+net1080_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
 {
 	int			padlen;
 	struct sk_buff		*skb2;
diff --git a/drivers/usb/net/rndis_host.c b/drivers/usb/net/rndis_host.c
index 2ed2e5f..b5a925d 100644
--- a/drivers/usb/net/rndis_host.c
+++ b/drivers/usb/net/rndis_host.c
@@ -517,7 +517,7 @@
 }
 
 static struct sk_buff *
-rndis_tx_fixup(struct usbnet *dev, struct sk_buff *skb, unsigned flags)
+rndis_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
 {
 	struct rndis_data_hdr	*hdr;
 	struct sk_buff		*skb2;
diff --git a/drivers/usb/net/usbnet.c b/drivers/usb/net/usbnet.c
index 6c46091..fce81d7 100644
--- a/drivers/usb/net/usbnet.c
+++ b/drivers/usb/net/usbnet.c
@@ -288,7 +288,7 @@
 
 static void rx_complete (struct urb *urb, struct pt_regs *regs);
 
-static void rx_submit (struct usbnet *dev, struct urb *urb, unsigned flags)
+static void rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
 {
 	struct sk_buff		*skb;
 	struct skb_data		*entry;
diff --git a/drivers/usb/net/usbnet.h b/drivers/usb/net/usbnet.h
index 7aa0abd..89fc495 100644
--- a/drivers/usb/net/usbnet.h
+++ b/drivers/usb/net/usbnet.h
@@ -107,7 +107,7 @@
 
 	/* fixup tx packet (add framing) */
 	struct sk_buff	*(*tx_fixup)(struct usbnet *dev,
-				struct sk_buff *skb, unsigned flags);
+				struct sk_buff *skb, gfp_t flags);
 
 	/* for new devices, use the descriptor-reading code instead */
 	int		in;		/* rx endpoint */
diff --git a/drivers/usb/net/zaurus.c b/drivers/usb/net/zaurus.c
index ee3b892..5d4b7d5 100644
--- a/drivers/usb/net/zaurus.c
+++ b/drivers/usb/net/zaurus.c
@@ -62,7 +62,7 @@
  */
 
 static struct sk_buff *
-zaurus_tx_fixup(struct usbnet *dev, struct sk_buff *skb, unsigned flags)
+zaurus_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
 {
 	int			padlen;
 	struct sk_buff		*skb2;
diff --git a/drivers/usb/net/zd1201.c b/drivers/usb/net/zd1201.c
index c4e479e..2f52261 100644
--- a/drivers/usb/net/zd1201.c
+++ b/drivers/usb/net/zd1201.c
@@ -521,7 +521,7 @@
 	int reqlen;
 	char seq=0;
 	struct urb *urb;
-	unsigned int gfp_mask = wait ? GFP_NOIO : GFP_ATOMIC;
+	gfp_t gfp_mask = wait ? GFP_NOIO : GFP_ATOMIC;
 
 	len += 4;			/* first 4 are for header */
 
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 4dbe580..8f731e8 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -933,17 +933,17 @@
 }
 
 extern void usb_init_urb(struct urb *urb);
-extern struct urb *usb_alloc_urb(int iso_packets, unsigned mem_flags);
+extern struct urb *usb_alloc_urb(int iso_packets, gfp_t mem_flags);
 extern void usb_free_urb(struct urb *urb);
 #define usb_put_urb usb_free_urb
 extern struct urb *usb_get_urb(struct urb *urb);
-extern int usb_submit_urb(struct urb *urb, unsigned mem_flags);
+extern int usb_submit_urb(struct urb *urb, gfp_t mem_flags);
 extern int usb_unlink_urb(struct urb *urb);
 extern void usb_kill_urb(struct urb *urb);
 
 #define HAVE_USB_BUFFERS
 void *usb_buffer_alloc (struct usb_device *dev, size_t size,
-	unsigned mem_flags, dma_addr_t *dma);
+	gfp_t mem_flags, dma_addr_t *dma);
 void usb_buffer_free (struct usb_device *dev, size_t size,
 	void *addr, dma_addr_t dma);
 
@@ -1050,7 +1050,7 @@
 	struct scatterlist	*sg,
 	int			nents,
 	size_t			length,
-	unsigned		mem_flags
+	gfp_t			mem_flags
 );
 void usb_sg_cancel (struct usb_sg_request *io);
 void usb_sg_wait (struct usb_sg_request *io);
diff --git a/include/linux/usb_gadget.h b/include/linux/usb_gadget.h
index 71e6086..ff81117 100644
--- a/include/linux/usb_gadget.h
+++ b/include/linux/usb_gadget.h
@@ -107,18 +107,18 @@
 	int (*disable) (struct usb_ep *ep);
 
 	struct usb_request *(*alloc_request) (struct usb_ep *ep,
-		unsigned gfp_flags);
+		gfp_t gfp_flags);
 	void (*free_request) (struct usb_ep *ep, struct usb_request *req);
 
 	void *(*alloc_buffer) (struct usb_ep *ep, unsigned bytes,
-		dma_addr_t *dma, unsigned gfp_flags);
+		dma_addr_t *dma, gfp_t gfp_flags);
 	void (*free_buffer) (struct usb_ep *ep, void *buf, dma_addr_t dma,
 		unsigned bytes);
 	// NOTE:  on 2.6, drivers may also use dma_map() and
 	// dma_sync_single_*() to directly manage dma overhead. 
 
 	int (*queue) (struct usb_ep *ep, struct usb_request *req,
-		unsigned gfp_flags);
+		gfp_t gfp_flags);
 	int (*dequeue) (struct usb_ep *ep, struct usb_request *req);
 
 	int (*set_halt) (struct usb_ep *ep, int value);
@@ -214,7 +214,7 @@
  * Returns the request, or null if one could not be allocated.
  */
 static inline struct usb_request *
-usb_ep_alloc_request (struct usb_ep *ep, unsigned gfp_flags)
+usb_ep_alloc_request (struct usb_ep *ep, gfp_t gfp_flags)
 {
 	return ep->ops->alloc_request (ep, gfp_flags);
 }
@@ -254,7 +254,7 @@
  */
 static inline void *
 usb_ep_alloc_buffer (struct usb_ep *ep, unsigned len, dma_addr_t *dma,
-	unsigned gfp_flags)
+	gfp_t gfp_flags)
 {
 	return ep->ops->alloc_buffer (ep, len, dma, gfp_flags);
 }
@@ -330,7 +330,7 @@
  * reported when the usb peripheral is disconnected.
  */
 static inline int
-usb_ep_queue (struct usb_ep *ep, struct usb_request *req, unsigned gfp_flags)
+usb_ep_queue (struct usb_ep *ep, struct usb_request *req, gfp_t gfp_flags)
 {
 	return ep->ops->queue (ep, req, gfp_flags);
 }
diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c
index e0d0365..f1a2e2c 100644
--- a/sound/usb/usbmidi.c
+++ b/sound/usb/usbmidi.c
@@ -163,7 +163,7 @@
 /*
  * Submits the URB, with error handling.
  */
-static int snd_usbmidi_submit_urb(struct urb* urb, int flags)
+static int snd_usbmidi_submit_urb(struct urb* urb, gfp_t flags)
 {
 	int err = usb_submit_urb(urb, flags);
 	if (err < 0 && err != -ENODEV)