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mm/list_lru: pass dst_memcg argument to memcg_drain_list_lru_node()

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This is just refactoring to allow the next patches to have dst_memcg
pointer in memcg_drain_list_lru_node().

Link: http://lkml.kernel.org/r/153063062118.1818.2761273817739499749.stgit@localhost.localdomain
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Acked-by: Vladimir Davydov <vdavydov.dev@gmail.com>
Tested-by: Shakeel Butt <shakeelb@google.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Josef Bacik <jbacik@fb.com>
Cc: Li RongQing <lirongqing@baidu.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Matthias Kaehlcke <mka@chromium.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Sahitya Tummala <stummala@codeaurora.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman Long <longman@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kirill Tkhai 2018-08-17 15:47:58 -07:00 committed by Linus Torvalds
parent 44bd4a4759
commit 9bec5c35bf
3 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/list_lru.h
View File

@ -69,7 +69,7 @@ int __list_lru_init(struct list_lru *lru, bool memcg_aware,
__list_lru_init((lru), true, NULL, shrinker)
int memcg_update_all_list_lrus(int num_memcgs);
void memcg_drain_all_list_lrus(int src_idx, int dst_idx);
void memcg_drain_all_list_lrus(int src_idx, struct mem_cgroup *dst_memcg);
/**
* list_lru_add: add an element to the lru list's tail

11
mm/list_lru.c
View File

@ -502,8 +502,9 @@ fail:
}
static void memcg_drain_list_lru_node(struct list_lru_node *nlru,
int src_idx, int dst_idx)
int src_idx, struct mem_cgroup *dst_memcg)
{
int dst_idx = dst_memcg->kmemcg_id;
struct list_lru_one *src, *dst;
/*
@ -523,7 +524,7 @@ static void memcg_drain_list_lru_node(struct list_lru_node *nlru,
}
static void memcg_drain_list_lru(struct list_lru *lru,
int src_idx, int dst_idx)
int src_idx, struct mem_cgroup *dst_memcg)
{
int i;
@ -531,16 +532,16 @@ static void memcg_drain_list_lru(struct list_lru *lru,
return;
for_each_node(i)
memcg_drain_list_lru_node(&lru->node[i], src_idx, dst_idx);
memcg_drain_list_lru_node(&lru->node[i], src_idx, dst_memcg);
}
void memcg_drain_all_list_lrus(int src_idx, int dst_idx)
void memcg_drain_all_list_lrus(int src_idx, struct mem_cgroup *dst_memcg)
{
struct list_lru *lru;
mutex_lock(&list_lrus_mutex);
list_for_each_entry(lru, &list_lrus, list)
memcg_drain_list_lru(lru, src_idx, dst_idx);
memcg_drain_list_lru(lru, src_idx, dst_memcg);
mutex_unlock(&list_lrus_mutex);
}
#else

2
mm/memcontrol.c
View File

@ -3060,7 +3060,7 @@ static void memcg_offline_kmem(struct mem_cgroup *memcg)
}
rcu_read_unlock();
memcg_drain_all_list_lrus(kmemcg_id, parent->kmemcg_id);
memcg_drain_all_list_lrus(kmemcg_id, parent);
memcg_free_cache_id(kmemcg_id);
}