memcg: use __GFP_NOWARN in page cgroup allocation
page_cgroup's page allocation at init/memory hotplug uses kmalloc() and vmalloc(). If kmalloc() failes, vmalloc() is used. This is because vmalloc() is very limited resource on 32bit systems. We want to use kmalloc() first. But in this kind of call, __GFP_NOWARN should be specified. Reported-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Родитель
d4097456cd
Коммит
2e9c237243
|
@ -114,7 +114,8 @@ static int __init_refok init_section_page_cgroup(unsigned long pfn)
|
|||
nid = page_to_nid(pfn_to_page(pfn));
|
||||
table_size = sizeof(struct page_cgroup) * PAGES_PER_SECTION;
|
||||
if (slab_is_available()) {
|
||||
base = kmalloc_node(table_size, GFP_KERNEL, nid);
|
||||
base = kmalloc_node(table_size,
|
||||
GFP_KERNEL | __GFP_NOWARN, nid);
|
||||
if (!base)
|
||||
base = vmalloc_node(table_size, nid);
|
||||
} else {
|
||||
|
|
Загрузка…
Ссылка в новой задаче