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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 /include
parente0295238e50f1aa16d4c902c837fd8d17861b698 (diff)
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 'include')
-rw-r--r--include/linux/list_lru.h4
-rw-r--r--include/linux/memcontrol.h6
-rw-r--r--include/linux/sched.h2
-rw-r--r--include/linux/slab.h2
4 files changed, 7 insertions, 7 deletions
diff --git a/include/linux/list_lru.h b/include/linux/list_lru.h
index 96def9d15b1b..2d23b5b745be 100644
--- a/include/linux/list_lru.h
+++ b/include/linux/list_lru.h
@@ -42,7 +42,7 @@ struct list_lru_node {
spinlock_t lock;
/* global list, used for the root cgroup in cgroup aware lrus */
struct list_lru_one lru;
-#if defined(CONFIG_MEMCG) && !defined(CONFIG_SLOB)
+#ifdef CONFIG_MEMCG_KMEM
/* for cgroup aware lrus points to per cgroup lists, otherwise NULL */
struct list_lru_memcg __rcu *memcg_lrus;
#endif
@@ -51,7 +51,7 @@ struct list_lru_node {
struct list_lru {
struct list_lru_node *node;
-#if defined(CONFIG_MEMCG) && !defined(CONFIG_SLOB)
+#ifdef CONFIG_MEMCG_KMEM
struct list_head list;
#endif
};
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 57a202f31683..f3c026df7443 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -271,7 +271,7 @@ struct mem_cgroup {
bool tcpmem_active;
int tcpmem_pressure;
-#ifndef CONFIG_SLOB
+#ifdef CONFIG_MEMCG_KMEM
/* Index in the kmem_cache->memcg_params.memcg_caches array */
int kmemcg_id;
enum memcg_kmem_state kmem_state;
@@ -1231,7 +1231,7 @@ int memcg_kmem_charge_memcg(struct page *page, gfp_t gfp, int order,
int memcg_kmem_charge(struct page *page, gfp_t gfp, int order);
void memcg_kmem_uncharge(struct page *page, int order);
-#if defined(CONFIG_MEMCG) && !defined(CONFIG_SLOB)
+#ifdef CONFIG_MEMCG_KMEM
extern struct static_key_false memcg_kmem_enabled_key;
extern struct workqueue_struct *memcg_kmem_cache_wq;
@@ -1284,6 +1284,6 @@ static inline void memcg_put_cache_ids(void)
{
}
-#endif /* CONFIG_MEMCG && !CONFIG_SLOB */
+#endif /* CONFIG_MEMCG_KMEM */
#endif /* _LINUX_MEMCONTROL_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 066a2c328653..789923fbee3a 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -723,7 +723,7 @@ struct task_struct {
#endif
#ifdef CONFIG_MEMCG
unsigned in_user_fault:1;
-#ifndef CONFIG_SLOB
+#ifdef CONFIG_MEMCG_KMEM
unsigned memcg_kmem_skip_account:1;
#endif
#endif
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 14e3fe4bd6a1..ed9cbddeb4a6 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -97,7 +97,7 @@
# define SLAB_FAILSLAB 0
#endif
/* Account to memcg */
-#if defined(CONFIG_MEMCG) && !defined(CONFIG_SLOB)
+#ifdef CONFIG_MEMCG_KMEM
# define SLAB_ACCOUNT ((slab_flags_t __force)0x04000000U)
#else
# define SLAB_ACCOUNT 0