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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 /mm/sparse.c
parent04753278769f3b6c3b79a080edb52f21d83bf6e2 (diff)
downloadlinux-9d99217a02a06a7cc83f065b73e976970970c58c.tar.gz
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>
Diffstat (limited to 'mm/sparse.c')
-rw-r--r--mm/sparse.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/sparse.c b/mm/sparse.c
index 8903c484389..5398d48c360 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 */