microblaze: Use active regions
Register lowmem active regions.
Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 8e9da3d..3267cc5 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -1,6 +1,7 @@
config MICROBLAZE
def_bool y
select HAVE_MEMBLOCK
+ select HAVE_MEMBLOCK_NODE_MAP
select HAVE_FUNCTION_TRACER
select HAVE_FUNCTION_TRACE_MCOUNT_TEST
select HAVE_FUNCTION_GRAPH_TRACER
@@ -30,6 +31,9 @@
config ZONE_DMA
def_bool y
+config ARCH_POPULATES_NODE_MAP
+ def_bool y
+
config RWSEM_XCHGADD_ALGORITHM
bool
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index cbcdf24..43b3f60 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -68,7 +68,8 @@
zones_size[ZONE_DMA] = max_pfn;
- free_area_init(zones_size);
+ /* We don't have holes in memory map */
+ free_area_init_nodes(zones_size);
}
void __init setup_memory(void)
@@ -142,8 +143,18 @@
PFN_UP(TOPHYS((u32)klimit)), min_low_pfn, max_low_pfn);
memblock_reserve(PFN_UP(TOPHYS((u32)klimit)) << PAGE_SHIFT, map_size);
+ /* Add active regions with valid PFNs */
+ for_each_memblock(memory, reg) {
+ unsigned long start_pfn, end_pfn;
+
+ start_pfn = memblock_region_memory_base_pfn(reg);
+ end_pfn = memblock_region_memory_end_pfn(reg);
+ memblock_set_node(start_pfn << PAGE_SHIFT,
+ (end_pfn - start_pfn) << PAGE_SHIFT, 0);
+ }
+
/* free bootmem is whole main memory */
- free_bootmem(memory_start, lowmem_size);
+ free_bootmem_with_active_regions(0, max_low_pfn);
/* reserve allocate blocks */
for_each_memblock(reserved, reg) {
@@ -162,6 +173,9 @@
}
}
+ /* XXX need to clip this if using highmem? */
+ sparse_memory_present_with_active_regions(0);
+
#ifdef CONFIG_MMU
init_bootmem_done = 1;
#endif
