[PATCH v2 2/2] mm/memcg: set memcg when split page

physical memory, 2MB is charged(kmemcg is enabled and __GFP_ACCOUNT is set). When make_alloc_exact free the unused 1MB and free_pages_exact free the applied 1MB, actually, only 4KB(one page) is uncharged. Therefore, the memcg of the tail page needs to be set when split page. Signed-off-by: Zhou Guanghui

[PATCH v2 1/2] mm/memcg: rename mem_cgroup_split_huge_fixup to split_page_memcg

: Zhou Guanghui --- include/linux/memcontrol.h | 6 ++ mm/huge_memory.c | 2 +- mm/memcontrol.c| 15 ++- 3 files changed, 9 insertions(+), 14 deletions(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index e6dc793d587d..0c04d39a7967

[PATCH v2 0/2] set memcg when split page

v2: 1. rename mem_cgroup_split_huge_fixup 2. use split_page_memcg when split page *** BLURB HERE *** Zhou Guanghui (2): mm/memcg: rename mem_cgroup_split_huge_fixup to split_page_memcg mm/memcg: set memcg when split pages include/linux/memcontrol.h | 6 ++ mm/huge_memory.c

[PATCH] mm/memcg: set memcg when split pages

emory cgroup info to tail pages is needed when split page. Signed-off-by: Zhou Guanghui --- include/linux/memcontrol.h | 10 ++ mm/page_alloc.c| 4 +++- 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h