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Commit 653d22c0 authored by KAMEZAWA Hiroyuki's avatar KAMEZAWA Hiroyuki Committed by Linus Torvalds
Browse files

page_cgroup should ignore empty nodes 



Fix a total bootup freeze on ia64.

Signed-off-by: default avatarKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Tested-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Reported-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent cc616860

mm/page_cgroup.c

+3 −0
Original line number Diff line number Diff line
@@ -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),