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OpenCloudOS-Kernel
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page_cgroup should ignore empty nodes 

Fix a total bootup freeze on ia64.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Tested-by: Li Zefan <lizf@cn.fujitsu.com>
Reported-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
KAMEZAWA Hiroyuki 2008-12-09 13:14:20 -08:00 committed by Linus Torvalds
parent cc61686001
commit 653d22c0f5
1 changed files with 3 additions and 0 deletions
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3
mm/page_cgroup.c
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@ -49,6 +49,9 @@ static int __init alloc_node_page_cgroup(int nid)
start_pfn = NODE_DATA(nid)->node_start_pfn;
nr_pages = NODE_DATA(nid)->node_spanned_pages;
if (!nr_pages)
return 0;
table_size = sizeof(struct page_cgroup) * nr_pages;
base = __alloc_bootmem_node_nopanic(NODE_DATA(nid),