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authorKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>2009-06-12 03:33:53 -0400
committerPekka Enberg <penberg@cs.helsinki.fi>2009-06-12 04:00:54 -0400
commitca371c0d7e23d0d0afae65fc83a0e91cf7399573 (patch)
tree20ca26fbdceefe25d1c362dc23a2152c1aac8b4c /init
parent8ebf975608aaebd7feb33d77f07ba21a6380e086 (diff)
memcg: fix page_cgroup fatal error in FLATMEM
Now, SLAB is configured in very early stage and it can be used in init routine now. But replacing alloc_bootmem() in FLAT/DISCONTIGMEM's page_cgroup() initialization breaks the allocation, now. (Works well in SPARSEMEM case...it supports MEMORY_HOTPLUG and size of page_cgroup is in reasonable size (< 1 << MAX_ORDER.) This patch revive FLATMEM+memory cgroup by using alloc_bootmem. In future, We stop to support FLATMEM (if no users) or rewrite codes for flatmem completely.But this will adds more messy codes and overheads. Reported-by: Li Zefan <lizf@cn.fujitsu.com> Tested-by: Li Zefan <lizf@cn.fujitsu.com> Tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'init')
-rw-r--r--init/main.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/init/main.c b/init/main.c
index 5616661eac01..b3e8f14c568a 100644
--- a/init/main.c
+++ b/init/main.c
@@ -539,6 +539,11 @@ void __init __weak thread_info_cache_init(void)
539 */ 539 */
540static void __init mm_init(void) 540static void __init mm_init(void)
541{ 541{
542 /*
543 * page_cgroup requires countinous pages as memmap
544 * and it's bigger than MAX_ORDER unless SPARSEMEM.
545 */
546 page_cgroup_init_flatmem();
542 mem_init(); 547 mem_init();
543 kmem_cache_init(); 548 kmem_cache_init();
544 vmalloc_init(); 549 vmalloc_init();