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authorPekka Enberg <penberg@cs.helsinki.fi>2009-06-11 08:10:28 +0300
committerPekka Enberg <penberg@cs.helsinki.fi>2009-06-11 19:15:54 +0300
commitc91c4773b334d4d3a6d44626dc2a558ad97b86f3 (patch)
tree7703e307ec9b33577365130dc0e8665333ea1487 /mm/bootmem.c
parent441c7e0a2ed38827b48b907bd1fa29faba2017a3 (diff)
downloadlinux-c91c4773b334d4d3a6d44626dc2a558ad97b86f3.tar.gz
bootmem: fix slab fallback on numa
If the user requested bootmem allocation on a specific node, we should use kzalloc_node() for the fallback allocation. Cc: Ingo Molnar <mingo@elte.hu> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'mm/bootmem.c')
-rw-r--r--mm/bootmem.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/bootmem.c b/mm/bootmem.c
index 457269c73e8..282df0a09e6 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -665,6 +665,9 @@ static void * __init ___alloc_bootmem_node(bootmem_data_t *bdata,
void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
unsigned long align, unsigned long goal)
{
+ if (WARN_ON_ONCE(slab_is_available()))
+ return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
+
return ___alloc_bootmem_node(pgdat->bdata, size, align, goal, 0);
}
@@ -696,6 +699,9 @@ void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size,
{
void *ptr;
+ if (WARN_ON_ONCE(slab_is_available()))
+ return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
+
ptr = alloc_arch_preferred_bootmem(pgdat->bdata, size, align, goal, 0);
if (ptr)
return ptr;
@@ -748,6 +754,9 @@ void * __init __alloc_bootmem_low(unsigned long size, unsigned long align,
void * __init __alloc_bootmem_low_node(pg_data_t *pgdat, unsigned long size,
unsigned long align, unsigned long goal)
{
+ if (WARN_ON_ONCE(slab_is_available()))
+ return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
+
return ___alloc_bootmem_node(pgdat->bdata, size, align,
goal, ARCH_LOW_ADDRESS_LIMIT);
}