The patch titled
memcg: move_lists on page not page_cgroup
has been removed from the -mm tree. Its filename was
memcg-move_lists-on-page-not-page_cgroup.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: memcg: move_lists on page not page_cgroup
From: Hugh Dickins <hugh@xxxxxxxxxxx>
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@xxxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Acked-by: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Hirokazu Takahashi <taka@xxxxxxxxxxxxx>
Cc: YAMAMOTO Takashi <yamamoto@xxxxxxxxxxxxx>
Cc: Paul Menage <menage@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/memcontrol.h | 5 ++---
mm/memcontrol.c | 4 +++-
mm/swap.c | 2 +-
mm/vmscan.c | 5 +++--
4 files changed, 9 insertions(+), 7 deletions(-)
diff -puN include/linux/memcontrol.h~memcg-move_lists-on-page-not-page_cgroup include/linux/memcontrol.h
--- a/include/linux/memcontrol.h~memcg-move_lists-on-page-not-page_cgroup
+++ a/include/linux/memcontrol.h
@@ -36,7 +36,7 @@ extern int mem_cgroup_charge(struct page
gfp_t gfp_mask);
extern void mem_cgroup_uncharge(struct page_cgroup *pc);
extern void mem_cgroup_uncharge_page(struct page *page);
-extern void mem_cgroup_move_lists(struct page_cgroup *pc, bool active);
+extern void mem_cgroup_move_lists(struct page *page, bool active);
extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
struct list_head *dst,
unsigned long *scanned, int order,
@@ -106,8 +106,7 @@ static inline void mem_cgroup_uncharge_p
{
}
-static inline void mem_cgroup_move_lists(struct page_cgroup *pc,
- bool active)
+static inline void mem_cgroup_move_lists(struct page *page, bool active)
{
}
diff -puN mm/memcontrol.c~memcg-move_lists-on-page-not-page_cgroup mm/memcontrol.c
--- a/mm/memcontrol.c~memcg-move_lists-on-page-not-page_cgroup
+++ a/mm/memcontrol.c
@@ -407,11 +407,13 @@ int task_in_mem_cgroup(struct task_struc
/*
* 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 -puN mm/swap.c~memcg-move_lists-on-page-not-page_cgroup mm/swap.c
--- a/mm/swap.c~memcg-move_lists-on-page-not-page_cgroup
+++ a/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 -puN mm/vmscan.c~memcg-move_lists-on-page-not-page_cgroup mm/vmscan.c
--- a/mm/vmscan.c~memcg-move_lists-on-page-not-page_cgroup
+++ a/mm/vmscan.c
@@ -1128,7 +1128,7 @@ static void shrink_active_list(unsigned
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
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);
_
Patches currently in -mm which might be from hugh@xxxxxxxxxxx are
git-unionfs.patch
mmap_region-cleanup-the-final-vma_merge-related-code.patch
mm-use-zonelists-instead-of-zones-when-direct-reclaiming-pages.patch
mm-introduce-node_zonelist-for-accessing-the-zonelist-for-a-gfp-mask.patch
mm-remember-what-the-preferred-zone-is-for-zone_statistics.patch
mm-use-two-zonelist-that-are-filtered-by-gfp-mask.patch
mm-have-zonelist-contains-structs-with-both-a-zone-pointer-and-zone_idx.patch
mm-filter-based-on-a-nodemask-as-well-as-a-gfp_mask.patch
mm-try-both-endianess-when-checking-for-endianess.patch
procfs-task-exe-symlink.patch
procfs-task-exe-symlink-fix.patch
procfs-task-exe-symlink-fix-2.patch
prio_tree-debugging-patch.patch
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