memcg: mm_match_cgroup not vm_match_cgroup
Hugh Dickins [Tue, 4 Mar 2008 22:29:01 +0000 (14:29 -0800)]
vm_match_cgroup is a perverse name for a macro to match mm with cgroup: rename
it mm_match_cgroup, matching mm_init_cgroup and mm_free_cgroup.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hirokazu Takahashi <taka@valinux.co.jp>
Cc: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Cc: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/linux/memcontrol.h
mm/memcontrol.c
mm/rmap.c

index a8be807..e4247c8 100644 (file)
@@ -48,7 +48,7 @@ extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
                                        gfp_t gfp_mask);
 int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem);
 
-#define vm_match_cgroup(mm, cgroup)    \
+#define mm_match_cgroup(mm, cgroup)    \
        ((cgroup) == rcu_dereference((mm)->mem_cgroup))
 
 extern int mem_cgroup_prepare_migration(struct page *page);
@@ -118,7 +118,7 @@ static inline int mem_cgroup_cache_charge(struct page *page,
        return 0;
 }
 
-static inline int vm_match_cgroup(struct mm_struct *mm, struct mem_cgroup *mem)
+static inline int mm_match_cgroup(struct mm_struct *mm, struct mem_cgroup *mem)
 {
        return 1;
 }
index 631002d..41041c0 100644 (file)
@@ -399,7 +399,7 @@ int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem)
        int ret;
 
        task_lock(task);
-       ret = task->mm && vm_match_cgroup(task->mm, mem);
+       ret = task->mm && mm_match_cgroup(task->mm, mem);
        task_unlock(task);
        return ret;
 }
index 8fd527c..0c9a2df 100644 (file)
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -321,7 +321,7 @@ static int page_referenced_anon(struct page *page,
                 * counting on behalf of references from different
                 * cgroups
                 */
-               if (mem_cont && !vm_match_cgroup(vma->vm_mm, mem_cont))
+               if (mem_cont && !mm_match_cgroup(vma->vm_mm, mem_cont))
                        continue;
                referenced += page_referenced_one(page, vma, &mapcount);
                if (!mapcount)
@@ -382,7 +382,7 @@ static int page_referenced_file(struct page *page,
                 * counting on behalf of references from different
                 * cgroups
                 */
-               if (mem_cont && !vm_match_cgroup(vma->vm_mm, mem_cont))
+               if (mem_cont && !mm_match_cgroup(vma->vm_mm, mem_cont))
                        continue;
                if ((vma->vm_flags & (VM_LOCKED|VM_MAYSHARE))
                                  == (VM_LOCKED|VM_MAYSHARE)) {