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x86-32, numa: Align pgdat size while initializing alloc_remap

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When pgdat is reserved in init_remap_allocator(), PAGE_SIZE aligned
size will be used.  Match the size alignment in initialization to
avoid allocation failure down the road.

Signed-off-by: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1301955840-7246-3-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 00:23:48 +02:00 committed by H. Peter Anvin
parent 3fe14ab541
commit a6c24f7a70
1 changed files with 2 additions and 1 deletions
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3
arch/x86/mm/numa_32.c
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@ -287,7 +287,8 @@ static __init unsigned long calculate_numa_remap_pages(void)
node_end_pfn[nid] = max_pfn;
/* ensure the remap includes space for the pgdat. */
size = node_remap_size[nid] + sizeof(pg_data_t);
size = node_remap_size[nid];
size += ALIGN(sizeof(pg_data_t), PAGE_SIZE);
/* convert size to large (pmd size) pages, rounding up */
size = (size + LARGE_PAGE_BYTES - 1) / LARGE_PAGE_BYTES;