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authorYasunori Goto <y-goto@jp.fujitsu.com>2008-04-28 02:13:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-28 08:58:25 -0700
commit9d99217a02a06a7cc83f065b73e976970970c58c (patch)
tree14d270c37701f9ae621c9cd8b076e207ee86e5d0
parent04753278769f3b6c3b79a080edb52f21d83bf6e2 (diff)
memory hotplug: align memmap to page size
To free memmap easier, this patch aligns it to page size. Bootmem allocater may mix some objects in one pages. It's not good for freeing memmap of memory hot-remove. Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: Badari Pulavarty <pbadari@us.ibm.com> Cc: Yinghai Lu <yhlu.kernel@gmail.com> Cc: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/sparse.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/sparse.c b/mm/sparse.c
index 8903c484389a..5398d48c360a 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -273,8 +273,8 @@ struct page __init *sparse_mem_map_populate(unsigned long pnum, int nid)
if (map)
return map;
- map = alloc_bootmem_node(NODE_DATA(nid),
- sizeof(struct page) * PAGES_PER_SECTION);
+ map = alloc_bootmem_pages_node(NODE_DATA(nid),
+ PAGE_ALIGN(sizeof(struct page) * PAGES_PER_SECTION));
return map;
}
#endif /* !CONFIG_SPARSEMEM_VMEMMAP */