The patch titled
Subject: mm/memcontrol.c: export mem_cgroup_is_root()
has been added to the -mm tree. Its filename is
mm-export-mem_cgroup_is_root.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-export-mem_cgroup_is_root.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-export-mem_cgroup_is_root.patch
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
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------------------------------------------------------
From: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
Subject: mm/memcontrol.c: export mem_cgroup_is_root()
This will be used in next patch.
Link: http://lkml.kernel.org/r/153063064347.1818.1987011484100392706.stgit@localhost.localdomain
Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
Acked-by: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
Tested-by: Shakeel Butt <shakeelb@xxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: "Huang, Ying" <ying.huang@xxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Josef Bacik <jbacik@xxxxxx>
Cc: Li RongQing <lirongqing@xxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Philippe Ombredanne <pombredanne@xxxxxxxx>
Cc: Roman Gushchin <guro@xxxxxx>
Cc: Sahitya Tummala <stummala@xxxxxxxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Waiman Long <longman@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/memcontrol.h | 10 ++++++++++
mm/memcontrol.c | 5 -----
2 files changed, 10 insertions(+), 5 deletions(-)
diff -puN include/linux/memcontrol.h~mm-export-mem_cgroup_is_root include/linux/memcontrol.h
--- a/include/linux/memcontrol.h~mm-export-mem_cgroup_is_root
+++ a/include/linux/memcontrol.h
@@ -318,6 +318,11 @@ struct mem_cgroup {
extern struct mem_cgroup *root_mem_cgroup;
+static inline bool mem_cgroup_is_root(struct mem_cgroup *memcg)
+{
+ return (memcg == root_mem_cgroup);
+}
+
static inline bool mem_cgroup_disabled(void)
{
return !cgroup_subsys_enabled(memory_cgrp_subsys);
@@ -781,6 +786,11 @@ void mem_cgroup_split_huge_fixup(struct
struct mem_cgroup;
+static inline bool mem_cgroup_is_root(struct mem_cgroup *memcg)
+{
+ return true;
+}
+
static inline bool mem_cgroup_disabled(void)
{
return true;
diff -puN mm/memcontrol.c~mm-export-mem_cgroup_is_root mm/memcontrol.c
--- a/mm/memcontrol.c~mm-export-mem_cgroup_is_root
+++ a/mm/memcontrol.c
@@ -261,11 +261,6 @@ struct cgroup_subsys_state *vmpressure_t
return &container_of(vmpr, struct mem_cgroup, vmpressure)->css;
}
-static inline bool mem_cgroup_is_root(struct mem_cgroup *memcg)
-{
- return (memcg == root_mem_cgroup);
-}
-
#ifdef CONFIG_MEMCG_KMEM
/*
* This will be the memcg's index in each cache's ->memcg_params.memcg_caches.
_
Patches currently in -mm which might be from ktkhai@xxxxxxxxxxxxx are
memcg-remove-memcg_cgroup-id-from-idr-on-mem_cgroup_css_alloc-failure.patch
list_lru-combine-code-under-the-same-define.patch
mm-introduce-config_memcg_kmem-as-combination-of-config_memcg-config_slob.patch
mm-assign-id-to-every-memcg-aware-shrinker.patch
memcg-move-up-for_each_mem_cgroup-_tree-defines.patch
mm-assign-memcg-aware-shrinkers-bitmap-to-memcg.patch
mm-refactoring-in-workingset_init.patch
fs-refactoring-in-alloc_super.patch
fs-propagate-shrinker-id-to-list_lru.patch
list_lru-add-memcg-argument-to-list_lru_from_kmem.patch
list_lru-pass-dst_memcg-argument-to-memcg_drain_list_lru_node.patch
list_lru-pass-lru-argument-to-memcg_drain_list_lru_node.patch
mm-export-mem_cgroup_is_root.patch
mm-set-bit-in-memcg-shrinker-bitmap-on-first-list_lru-item-apearance.patch
mm-iterate-only-over-charged-shrinkers-during-memcg-shrink_slab.patch
mm-add-shrink_empty-shrinker-methods-return-value.patch
mm-clear-shrinker-bit-if-there-are-no-objects-related-to-memcg.patch
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