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| author | Hugh Dickins <hugh@veritas.com> | 2008-03-04 14:29:03 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-03-04 16:35:14 -0800 |
| commit | 427d5416f317681498337ab19218d195edea02d6 (patch) | |
| tree | 967cfc87ec775ca3c05f95f2339697e796383191 /mm | |
| parent | bd845e38c7a7251a95a8f2c38aa7fb87140b771d (diff) | |
| download | lwn-427d5416f317681498337ab19218d195edea02d6.tar.gz lwn-427d5416f317681498337ab19218d195edea02d6.zip | |
memcg: move_lists on page not page_cgroup
Each caller of mem_cgroup_move_lists is having to use page_get_page_cgroup:
it's more convenient if it acts upon the page itself not the page_cgroup; and
in a later patch this becomes important to handle within memcontrol.c.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Cc: David Rientjes <rientjes@google.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hirokazu Takahashi <taka@valinux.co.jp>
Cc: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Cc: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memcontrol.c | 4 | ||||
| -rw-r--r-- | mm/swap.c | 2 | ||||
| -rw-r--r-- | mm/vmscan.c | 5 |
3 files changed, 7 insertions, 4 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 41041c0a6898..afdd406f618a 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -407,11 +407,13 @@ int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem) /* * This routine assumes that the appropriate zone's lru lock is already held */ -void mem_cgroup_move_lists(struct page_cgroup *pc, bool active) +void mem_cgroup_move_lists(struct page *page, bool active) { + struct page_cgroup *pc; struct mem_cgroup_per_zone *mz; unsigned long flags; + pc = page_get_page_cgroup(page); if (!pc) return; diff --git a/mm/swap.c b/mm/swap.c index 710a20bb9749..d4ec59aa5c46 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -176,7 +176,7 @@ void activate_page(struct page *page) SetPageActive(page); add_page_to_active_list(zone, page); __count_vm_event(PGACTIVATE); - mem_cgroup_move_lists(page_get_page_cgroup(page), true); + mem_cgroup_move_lists(page, true); } spin_unlock_irq(&zone->lru_lock); } diff --git a/mm/vmscan.c b/mm/vmscan.c index 106ba10e1ac6..45711585684e 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1128,7 +1128,7 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone, ClearPageActive(page); list_move(&page->lru, &zone->inactive_list); - mem_cgroup_move_lists(page_get_page_cgroup(page), false); + mem_cgroup_move_lists(page, false); pgmoved++; if (!pagevec_add(&pvec, page)) { __mod_zone_page_state(zone, NR_INACTIVE, pgmoved); @@ -1156,8 +1156,9 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone, VM_BUG_ON(PageLRU(page)); SetPageLRU(page); VM_BUG_ON(!PageActive(page)); + list_move(&page->lru, &zone->active_list); - mem_cgroup_move_lists(page_get_page_cgroup(page), true); + mem_cgroup_move_lists(page, true); pgmoved++; if (!pagevec_add(&pvec, page)) { __mod_zone_page_state(zone, NR_ACTIVE, pgmoved); |