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x86-32, numa: Fix failure condition check in alloc_remap()

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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>
This commit is contained in:
Tejun Heo 2011-04-05 00:23:47 +02:00 committed by H. Peter Anvin
parent 6221f222c0
commit 3fe14ab541
1 changed files with 1 additions and 1 deletions
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2
arch/x86/mm/numa_32.c
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@ -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;