summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
authorKirill Tkhai <ktkhai@virtuozzo.com>2018-08-18 01:47:50 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-18 02:20:31 +0300
commitc92e8e10cafeaaedc84f23fed1bfcf9cf07399c2 (patch)
tree5c3f793dbaffe4a5abfddaf74f1c21276e09a1f4 /include/linux
parent2b3648a6ff83bd2a59b427d3537cc570933659b5 (diff)
downloadlinux-c92e8e10cafeaaedc84f23fed1bfcf9cf07399c2.tar.xz
fs: propagate shrinker::id to list_lru
Add list_lru::shrinker_id field and populate it by registered shrinker id. This will be used to set correct bit in memcg shrinkers map by lru code in next patches, after there appeared the first related to memcg element in list_lru. Link: http://lkml.kernel.org/r/153063059758.1818.14866596416857717800.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>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/list_lru.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/include/linux/list_lru.h b/include/linux/list_lru.h
index 2d23b5b745be..9e75bb33766b 100644
--- a/include/linux/list_lru.h
+++ b/include/linux/list_lru.h
@@ -53,16 +53,20 @@ struct list_lru {
struct list_lru_node *node;
#ifdef CONFIG_MEMCG_KMEM
struct list_head list;
+ int shrinker_id;
#endif
};
void list_lru_destroy(struct list_lru *lru);
int __list_lru_init(struct list_lru *lru, bool memcg_aware,
- struct lock_class_key *key);
-
-#define list_lru_init(lru) __list_lru_init((lru), false, NULL)
-#define list_lru_init_key(lru, key) __list_lru_init((lru), false, (key))
-#define list_lru_init_memcg(lru) __list_lru_init((lru), true, NULL)
+ struct lock_class_key *key, struct shrinker *shrinker);
+
+#define list_lru_init(lru) \
+ __list_lru_init((lru), false, NULL, NULL)
+#define list_lru_init_key(lru, key) \
+ __list_lru_init((lru), false, (key), NULL)
+#define list_lru_init_memcg(lru, shrinker) \
+ __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);