memcg: rename config variables

Sanity:

CONFIG_CGROUP_MEM_RES_CTLR -> CONFIG_MEMCG
CONFIG_CGROUP_MEM_RES_CTLR_SWAP -> CONFIG_MEMCG_SWAP
CONFIG_CGROUP_MEM_RES_CTLR_SWAP_ENABLED -> CONFIG_MEMCG_SWAP_ENABLED
CONFIG_CGROUP_MEM_RES_CTLR_KMEM -> CONFIG_MEMCG_KMEM

Cc: Glauber Costa <glommer@parallels.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: David Rientjes <rientjes@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h
index 5b41ce07902499f070b2eaabbfb1674acdfa6253..dfae957398c333e4f4a62c969350eac9fae368b9 100644 (file)
--- a/include/linux/cgroup_subsys.h
+++ b/include/linux/cgroup_subsys.h
@@ -31,7 +31,7 @@ SUBSYS(cpuacct)
 
 /* */
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+#ifdef CONFIG_MEMCG
 SUBSYS(mem_cgroup)
 #endif
 

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 83e7ba90d6e5d5eb1b652ec1b7ce21dc47a4a9a9..170076222431ebd3ebbc6d1103c0cd7b01978216 100644 (file)
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -38,7 +38,7 @@ struct mem_cgroup_reclaim_cookie {
        unsigned int generation;
 };
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+#ifdef CONFIG_MEMCG
 /*
  * All "charge" functions with gfp_mask should use GFP_KERNEL or
  * (gfp_mask & GFP_RECLAIM_MASK). In current implementatin, memcg doesn't
@@ -124,7 +124,7 @@ extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
 extern void mem_cgroup_replace_page_cache(struct page *oldpage,
                                        struct page *newpage);
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+#ifdef CONFIG_MEMCG_SWAP
 extern int do_swap_account;
 #endif
 
@@ -193,7 +193,7 @@ void mem_cgroup_split_huge_fixup(struct page *head);
 bool mem_cgroup_bad_page_check(struct page *page);
 void mem_cgroup_print_bad_page(struct page *page);
 #endif
-#else /* CONFIG_CGROUP_MEM_RES_CTLR */
+#else /* CONFIG_MEMCG */
 struct mem_cgroup;
 
 static inline int mem_cgroup_newpage_charge(struct page *page,
@@ -384,9 +384,9 @@ static inline void mem_cgroup_replace_page_cache(struct page *oldpage,
                                struct page *newpage)
 {
 }
-#endif /* CONFIG_CGROUP_MEM_RES_CTLR */
+#endif /* CONFIG_MEMCG */
 
-#if !defined(CONFIG_CGROUP_MEM_RES_CTLR) || !defined(CONFIG_DEBUG_VM)
+#if !defined(CONFIG_MEMCG) || !defined(CONFIG_DEBUG_VM)
 static inline bool
 mem_cgroup_bad_page_check(struct page *page)
 {
@@ -406,7 +406,7 @@ enum {
 };
 
 struct sock;
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
+#ifdef CONFIG_MEMCG_KMEM
 void sock_update_memcg(struct sock *sk);
 void sock_release_memcg(struct sock *sk);
 #else
@@ -416,6 +416,6 @@ static inline void sock_update_memcg(struct sock *sk)
 static inline void sock_release_memcg(struct sock *sk)
 {
 }
-#endif /* CONFIG_CGROUP_MEM_RES_CTLR_KMEM */
+#endif /* CONFIG_MEMCG_KMEM */
 #endif /* _LINUX_MEMCONTROL_H */
 

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 458988bd55a1b3322dc266f120eca7e20e3c4c91..3bdfa15b2012bb864f8e6a42303472b4b82799ad 100644 (file)
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -201,7 +201,7 @@ struct zone_reclaim_stat {
 struct lruvec {
        struct list_head lists[NR_LRU_LISTS];
        struct zone_reclaim_stat reclaim_stat;
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+#ifdef CONFIG_MEMCG
        struct zone *zone;
 #endif
 };
@@ -671,7 +671,7 @@ typedef struct pglist_data {
        int nr_zones;
 #ifdef CONFIG_FLAT_NODE_MEM_MAP        /* means !SPARSEMEM */
        struct page *node_mem_map;
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+#ifdef CONFIG_MEMCG
        struct page_cgroup *node_page_cgroup;
 #endif
 #endif
@@ -736,7 +736,7 @@ extern void lruvec_init(struct lruvec *lruvec, struct zone *zone);
 
 static inline struct zone *lruvec_zone(struct lruvec *lruvec)
 {
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+#ifdef CONFIG_MEMCG
        return lruvec->zone;
 #else
        return container_of(lruvec, struct zone, lruvec);
@@ -1052,7 +1052,7 @@ struct mem_section {
 
        /* See declaration of similar field in struct zone */
        unsigned long *pageblock_flags;
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+#ifdef CONFIG_MEMCG
        /*
         * If !SPARSEMEM, pgdat doesn't have page_cgroup pointer. We use
         * section. (see memcontrol.h/page_cgroup.h about this.)

diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h
index a88cdba27809b490cc64b283e32d841ab7f0dd42..777a524716db9364d3f9a06f9357cacf36b2b418 100644 (file)
--- a/include/linux/page_cgroup.h
+++ b/include/linux/page_cgroup.h
@@ -12,7 +12,7 @@ enum {
 #ifndef __GENERATING_BOUNDS_H
 #include <generated/bounds.h>
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+#ifdef CONFIG_MEMCG
 #include <linux/bit_spinlock.h>
 
 /*
@@ -82,7 +82,7 @@ static inline void unlock_page_cgroup(struct page_cgroup *pc)
        bit_spin_unlock(PCG_LOCK, &pc->flags);
 }
 
-#else /* CONFIG_CGROUP_MEM_RES_CTLR */
+#else /* CONFIG_MEMCG */
 struct page_cgroup;
 
 static inline void __meminit pgdat_page_cgroup_init(struct pglist_data *pgdat)
@@ -102,11 +102,11 @@ static inline void __init page_cgroup_init_flatmem(void)
 {
 }
 
-#endif /* CONFIG_CGROUP_MEM_RES_CTLR */
+#endif /* CONFIG_MEMCG */
 
 #include <linux/swap.h>
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+#ifdef CONFIG_MEMCG_SWAP
 extern unsigned short swap_cgroup_cmpxchg(swp_entry_t ent,
                                        unsigned short old, unsigned short new);
 extern unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id);
@@ -138,7 +138,7 @@ static inline void swap_cgroup_swapoff(int type)
        return;
 }
 
-#endif /* CONFIG_CGROUP_MEM_RES_CTLR_SWAP */
+#endif /* CONFIG_MEMCG_SWAP */
 
 #endif /* !__GENERATING_BOUNDS_H */
 

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 1e26a5e45aa6768a4fa7ab87249fbdaf3b02b88f..3c40e4406468cf0c42e7730a5f6be2b0f33c8e0c 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1576,7 +1576,7 @@ struct task_struct {
        /* bitmask and counter of trace recursion */
        unsigned long trace_recursion;
 #endif /* CONFIG_TRACING */
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR /* memcg uses this to do batch job */
+#ifdef CONFIG_MEMCG /* memcg uses this to do batch job */
        struct memcg_batch_info {
                int do_batch;   /* incremented when batch uncharge started */
                struct mem_cgroup *memcg; /* target memcg of uncharge */

diff --git a/init/Kconfig b/init/Kconfig
index 2045f9b3b99a6d01c85031af88b35b02a9935aaa..364b38dc8c35eb18385f232dd4ada0f44fb47963 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -686,7 +686,7 @@ config RESOURCE_COUNTERS
          This option enables controller independent resource accounting
          infrastructure that works with cgroups.
 
-config CGROUP_MEM_RES_CTLR
+config MEMCG
        bool "Memory Resource Controller for Control Groups"
        depends on RESOURCE_COUNTERS
        select MM_OWNER
@@ -709,9 +709,9 @@ config CGROUP_MEM_RES_CTLR
          This config option also selects MM_OWNER config option, which
          could in turn add some fork/exit overhead.
 
-config CGROUP_MEM_RES_CTLR_SWAP
+config MEMCG_SWAP
        bool "Memory Resource Controller Swap Extension"
-       depends on CGROUP_MEM_RES_CTLR && SWAP
+       depends on MEMCG && SWAP
        help
          Add swap management feature to memory resource controller. When you
          enable this, you can limit mem+swap usage per cgroup. In other words,
@@ -726,9 +726,9 @@ config CGROUP_MEM_RES_CTLR_SWAP
          if boot option "swapaccount=0" is set, swap will not be accounted.
          Now, memory usage of swap_cgroup is 2 bytes per entry. If swap page
          size is 4096bytes, 512k per 1Gbytes of swap.
-config CGROUP_MEM_RES_CTLR_SWAP_ENABLED
+config MEMCG_SWAP_ENABLED
        bool "Memory Resource Controller Swap Extension enabled by default"
-       depends on CGROUP_MEM_RES_CTLR_SWAP
+       depends on MEMCG_SWAP
        default y
        help
          Memory Resource Controller Swap Extension comes with its price in
@@ -739,9 +739,9 @@ config CGROUP_MEM_RES_CTLR_SWAP_ENABLED
          For those who want to have the feature enabled by default should
          select this option (if, for some reason, they need to disable it
          then swapaccount=0 does the trick).
-config CGROUP_MEM_RES_CTLR_KMEM
+config MEMCG_KMEM
        bool "Memory Resource Controller Kernel Memory accounting (EXPERIMENTAL)"
-       depends on CGROUP_MEM_RES_CTLR && EXPERIMENTAL
+       depends on MEMCG && EXPERIMENTAL
        default n
        help
          The Kernel Memory extension for Memory Resource Controller can limit

diff --git a/kernel/fork.c b/kernel/fork.c
index 3fd7cecf0ee32181e1c573a45bd4a7a33ab1f9b6..e5736aa98cb117b7262e869399ab75250bf0bac5 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1308,7 +1308,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 #ifdef CONFIG_DEBUG_MUTEXES
        p->blocked_on = NULL; /* not blocked yet */
 #endif
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+#ifdef CONFIG_MEMCG
        p->memcg_batch.do_batch = 0;
        p->memcg_batch.memcg = NULL;
 #endif

diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c
index cc448bb983babf65bd0e643047353a32f787b5e6..3a61efc518d56964460af63ca31ba26bc375ad47 100644 (file)
--- a/mm/hwpoison-inject.c
+++ b/mm/hwpoison-inject.c
@@ -123,7 +123,7 @@ static int pfn_inject_init(void)
        if (!dentry)
                goto fail;
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+#ifdef CONFIG_MEMCG_SWAP
        dentry = debugfs_create_u64("corrupt-filter-memcg", 0600,
                                    hwpoison_dir, &hwpoison_filter_memcg);
        if (!dentry)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index a2677e0a638760de0501da7d8676e51b8d8ee22c..55a85e1a342f3bb70c4e1011385fd785cbafb8a2 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -61,12 +61,12 @@ struct cgroup_subsys mem_cgroup_subsys __read_mostly;
 #define MEM_CGROUP_RECLAIM_RETRIES     5
 static struct mem_cgroup *root_mem_cgroup __read_mostly;
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+#ifdef CONFIG_MEMCG_SWAP
 /* Turned on only when memory cgroup is enabled && really_do_swap_account = 1 */
 int do_swap_account __read_mostly;
 
 /* for remember boot option*/
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP_ENABLED
+#ifdef CONFIG_MEMCG_SWAP_ENABLED
 static int really_do_swap_account __initdata = 1;
 #else
 static int really_do_swap_account __initdata = 0;
@@ -407,7 +407,7 @@ static void mem_cgroup_get(struct mem_cgroup *memcg);
 static void mem_cgroup_put(struct mem_cgroup *memcg);
 
 /* Writing them here to avoid exposing memcg's inner layout */
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
+#ifdef CONFIG_MEMCG_KMEM
 #include <net/sock.h>
 #include <net/ip.h>
 
@@ -466,9 +466,9 @@ struct cg_proto *tcp_proto_cgroup(struct mem_cgroup *memcg)
 }
 EXPORT_SYMBOL(tcp_proto_cgroup);
 #endif /* CONFIG_INET */
-#endif /* CONFIG_CGROUP_MEM_RES_CTLR_KMEM */
+#endif /* CONFIG_MEMCG_KMEM */
 
-#if defined(CONFIG_INET) && defined(CONFIG_CGROUP_MEM_RES_CTLR_KMEM)
+#if defined(CONFIG_INET) && defined(CONFIG_MEMCG_KMEM)
 static void disarm_sock_keys(struct mem_cgroup *memcg)
 {
        if (!memcg_proto_activated(&memcg->tcp_mem.cg_proto))
@@ -3085,7 +3085,7 @@ mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout)
 }
 #endif
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+#ifdef CONFIG_MEMCG_SWAP
 /*
  * called from swap_entry_free(). remove record in swap_cgroup and
  * uncharge "memsw" account.
@@ -4518,7 +4518,7 @@ static int mem_cgroup_oom_control_write(struct cgroup *cgrp,
        return 0;
 }
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
+#ifdef CONFIG_MEMCG_KMEM
 static int memcg_init_kmem(struct mem_cgroup *memcg, struct cgroup_subsys *ss)
 {
        return mem_cgroup_sockets_init(memcg, ss);
@@ -4608,7 +4608,7 @@ static struct cftype mem_cgroup_files[] = {
                .read_seq_string = mem_control_numa_stat_show,
        },
 #endif
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+#ifdef CONFIG_MEMCG_SWAP
        {
                .name = "memsw.usage_in_bytes",
                .private = MEMFILE_PRIVATE(_MEMSWAP, RES_USAGE),
@@ -4795,7 +4795,7 @@ struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg)
 }
 EXPORT_SYMBOL(parent_mem_cgroup);
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+#ifdef CONFIG_MEMCG_SWAP
 static void __init enable_swap_cgroup(void)
 {
        if (!mem_cgroup_disabled() && really_do_swap_account)
@@ -5526,7 +5526,7 @@ struct cgroup_subsys mem_cgroup_subsys = {
        .__DEPRECATED_clear_css_refs = true,
 };
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+#ifdef CONFIG_MEMCG_SWAP
 static int __init enable_swap_account(char *s)
 {
        /* consider enabled if no parameter or 1 is given */

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index b04ff2d6f73de87ee8991b33ff88b1dae1ba7da7..a6e2141a6610bfd4fab325e343149a25fadc8835 100644 (file)
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -128,7 +128,7 @@ static int hwpoison_filter_flags(struct page *p)
  * can only guarantee that the page either belongs to the memcg tasks, or is
  * a freed page.
  */
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+#ifdef CONFIG_MEMCG_SWAP
 u64 hwpoison_filter_memcg;
 EXPORT_SYMBOL_GPL(hwpoison_filter_memcg);
 static int hwpoison_filter_task(struct page *p)

diff --git a/mm/mmzone.c b/mm/mmzone.c
index 6830eab5bf09c5c5432801ed7ad23d4bad054779..3cef80f6ac79ff2e8b5fef7bcd373679e91df2c1 100644 (file)
--- a/mm/mmzone.c
+++ b/mm/mmzone.c
@@ -96,7 +96,7 @@ void lruvec_init(struct lruvec *lruvec, struct zone *zone)
        for_each_lru(lru)
                INIT_LIST_HEAD(&lruvec->lists[lru]);
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+#ifdef CONFIG_MEMCG
        lruvec->zone = zone;
 #endif
 }

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index c82ede69bf3f59f4ba3bcee23a81589b650ea773..e6c10640e56bba295023267d5922b613e11500cd 100644 (file)
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -541,7 +541,7 @@ static void check_panic_on_oom(enum oom_constraint constraint, gfp_t gfp_mask,
                sysctl_panic_on_oom == 2 ? "compulsory" : "system-wide");
 }
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+#ifdef CONFIG_MEMCG
 void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
                              int order)
 {

diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index eb750f851395b4e726c06f3926d42b472ab1bdf9..5ddad0c6daa6c6c23c3e0f03b55e13c79d061a59 100644 (file)
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -317,7 +317,7 @@ void __meminit pgdat_page_cgroup_init(struct pglist_data *pgdat)
 #endif
 
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+#ifdef CONFIG_MEMCG_SWAP
 
 static DEFINE_MUTEX(swap_cgroup_mutex);
 struct swap_cgroup_ctrl {

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 347b3ff2a478c91e6ffd98866eeb107aac0f2ddf..6b1f89a912120e65e36068a1c697c982d508d13e 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -133,7 +133,7 @@ long vm_total_pages;        /* The total number of pages which the VM controls */
 static LIST_HEAD(shrinker_list);
 static DECLARE_RWSEM(shrinker_rwsem);
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+#ifdef CONFIG_MEMCG
 static bool global_reclaim(struct scan_control *sc)
 {
        return !sc->target_mem_cgroup;
@@ -2142,7 +2142,7 @@ unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
        return nr_reclaimed;
 }
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+#ifdef CONFIG_MEMCG
 
 unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *memcg,
                                                gfp_t gfp_mask, bool noswap,