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| author | Tejun Heo <tj@kernel.org> | 2011-04-05 00:23:47 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2011-04-06 17:56:46 -0700 |
| commit | 3fe14ab541cd9b0d1f243afb7556046f12c8743c (patch) | |
| tree | 6dd136ad38d6ab7632f59171cdaa314a5da08be7 | |
| parent | 6221f222c0ebf1acdf7abcf927178f40e1a65e2a (diff) | |
| download | blackbird-op-linux-3fe14ab541cd9b0d1f243afb7556046f12c8743c.tar.gz blackbird-op-linux-3fe14ab541cd9b0d1f243afb7556046f12c8743c.zip | |
x86-32, numa: Fix failure condition check in alloc_remap()
node_remap_{start|end}_vaddr[] describe [start, end) ranges; however,
alloc_remap() incorrectly failed when the current allocation + size
equaled the end but it should fail only when it goes over. Fix it.
Signed-off-by: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1301955840-7246-2-git-send-email-tj@kernel.org
Acked-by: Yinghai Lu <yinghai@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
| -rw-r--r-- | arch/x86/mm/numa_32.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c index bde3906420df..84aac47c3887 100644 --- a/arch/x86/mm/numa_32.c +++ b/arch/x86/mm/numa_32.c @@ -200,7 +200,7 @@ void *alloc_remap(int nid, unsigned long size) size = ALIGN(size, L1_CACHE_BYTES); - if (!allocation || (allocation + size) >= node_remap_end_vaddr[nid]) + if (!allocation || (allocation + size) > node_remap_end_vaddr[nid]) return NULL; node_remap_alloc_vaddr[nid] += size; |
