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| author | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-06-11 08:10:28 +0300 |
|---|---|---|
| committer | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-06-11 19:15:54 +0300 |
| commit | c91c4773b334d4d3a6d44626dc2a558ad97b86f3 (patch) | |
| tree | 7703e307ec9b33577365130dc0e8665333ea1487 /mm/bootmem.c | |
| parent | 441c7e0a2ed38827b48b907bd1fa29faba2017a3 (diff) | |
| download | lwn-c91c4773b334d4d3a6d44626dc2a558ad97b86f3.tar.gz lwn-c91c4773b334d4d3a6d44626dc2a558ad97b86f3.zip | |
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.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/bootmem.c b/mm/bootmem.c index 457269c73e81..282df0a09e6f 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); } |