diff options
| author | Johannes Weiner <hannes@cmpxchg.org> | 2011-03-23 16:42:27 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-23 19:46:26 -0700 |
| commit | 97a6c37b34f46feed2544bd40891ee6dd0fd1554 (patch) | |
| tree | 6135189ba1f589d7a3b10c5e24da9a42ea9036f5 /include/linux/page_cgroup.h | |
| parent | ad324e94475a04cfcdfdb11ad20f8ea81268e411 (diff) | |
| download | lwn-97a6c37b34f46feed2544bd40891ee6dd0fd1554.tar.gz lwn-97a6c37b34f46feed2544bd40891ee6dd0fd1554.zip | |
memcg: change page_cgroup_zoneinfo signature
Instead of passing a whole struct page_cgroup to this function, let it
take only what it really needs from it: the struct mem_cgroup and the
page.
This has the advantage that reading pc->mem_cgroup is now done at the same
place where the ordering rules for this pointer are enforced and
explained.
It is also in preparation for removing the pc->page backpointer.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/page_cgroup.h')
| -rw-r--r-- | include/linux/page_cgroup.h | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h index 6d6cb7a57bb3..363bbc8b0f49 100644 --- a/include/linux/page_cgroup.h +++ b/include/linux/page_cgroup.h @@ -85,16 +85,6 @@ SETPCGFLAG(Migration, MIGRATION) CLEARPCGFLAG(Migration, MIGRATION) TESTPCGFLAG(Migration, MIGRATION) -static inline int page_cgroup_nid(struct page_cgroup *pc) -{ - return page_to_nid(pc->page); -} - -static inline enum zone_type page_cgroup_zid(struct page_cgroup *pc) -{ - return page_zonenum(pc->page); -} - static inline void lock_page_cgroup(struct page_cgroup *pc) { /* |