alpha: fix ALSA DMA mmap crash
Make dma_alloc_coherent respect gfp flags (__GFP_COMP is one that
matters).
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Tested-by: Michael Cree <mcree@orcon.net.nz>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index 4e1c086..dd6e334 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -424,11 +424,13 @@
else DMA_ADDRP is undefined. */
void *
-pci_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp)
+__pci_alloc_consistent(struct pci_dev *pdev, size_t size,
+ dma_addr_t *dma_addrp, gfp_t gfp)
{
void *cpu_addr;
long order = get_order(size);
- gfp_t gfp = GFP_ATOMIC;
+
+ gfp &= ~GFP_DMA;
try_again:
cpu_addr = (void *)__get_free_pages(gfp, order);
@@ -458,7 +460,7 @@
return cpu_addr;
}
-EXPORT_SYMBOL(pci_alloc_consistent);
+EXPORT_SYMBOL(__pci_alloc_consistent);
/* Free and unmap a consistent DMA buffer. CPU_ADDR and DMA_ADDR must
be values that were returned from pci_alloc_consistent. SIZE must
