page_cgroup should ignore empty nodes

Fix a total bootup freeze on ia64.

Signed-off-by: KAMEZAWA Hiroyuki <[email protected]>
Tested-by: Li Zefan <[email protected]>
Reported-by: Li Zefan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
KAMEZAWA Hiroyuki 2008-12-09 13:14:20 -08:00 • committed by Linus Torvalds
commit 653d22c0f5

View file

@ -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),