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authorKirill Tkhai <ktkhai@virtuozzo.com>2018-08-17 15:47:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-17 16:20:30 -0700
commit84c07d11aa619c6d24c682f469b10f344f0c02aa (patch)
tree650fe3f561253d3f04004efc1d124cb2b25b84b0 /mm/list_lru.c
parente0295238e50f1aa16d4c902c837fd8d17861b698 (diff)
downloadlwn-84c07d11aa619c6d24c682f469b10f344f0c02aa.tar.gz
lwn-84c07d11aa619c6d24c682f469b10f344f0c02aa.zip
mm: introduce CONFIG_MEMCG_KMEM as combination of CONFIG_MEMCG && !CONFIG_SLOB
Introduce new config option, which is used to replace repeating CONFIG_MEMCG && !CONFIG_SLOB pattern. Next patches add a little more memcg+kmem related code, so let's keep the defines more clearly. Link: http://lkml.kernel.org/r/153063053670.1818.15013136946600481138.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 'mm/list_lru.c')
-rw-r--r--mm/list_lru.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/list_lru.c b/mm/list_lru.c
index b65e0b9b0646..c5217d84c6e1 100644
--- a/mm/list_lru.c
+++ b/mm/list_lru.c
@@ -12,7 +12,7 @@
#include <linux/mutex.h>
#include <linux/memcontrol.h>
-#if defined(CONFIG_MEMCG) && !defined(CONFIG_SLOB)
+#ifdef CONFIG_MEMCG_KMEM
static LIST_HEAD(list_lrus);
static DEFINE_MUTEX(list_lrus_mutex);
@@ -103,7 +103,7 @@ list_lru_from_kmem(struct list_lru_node *nlru, void *ptr)
{
return &nlru->lru;
}
-#endif /* CONFIG_MEMCG && !CONFIG_SLOB */
+#endif /* CONFIG_MEMCG_KMEM */
bool list_lru_add(struct list_lru *lru, struct list_head *item)
{
@@ -284,7 +284,7 @@ static void init_one_lru(struct list_lru_one *l)
l->nr_items = 0;
}
-#if defined(CONFIG_MEMCG) && !defined(CONFIG_SLOB)
+#ifdef CONFIG_MEMCG_KMEM
static void __memcg_destroy_list_lru_node(struct list_lru_memcg *memcg_lrus,
int begin, int end)
{
@@ -543,7 +543,7 @@ static int memcg_init_list_lru(struct list_lru *lru, bool memcg_aware)
static void memcg_destroy_list_lru(struct list_lru *lru)
{
}
-#endif /* CONFIG_MEMCG && !CONFIG_SLOB */
+#endif /* CONFIG_MEMCG_KMEM */
int __list_lru_init(struct list_lru *lru, bool memcg_aware,
struct lock_class_key *key)