[PATCH TRIVIAL -mm] fork: make mm_init_owner static

From: Vladimir Davydov
Date: Thu Jul 03 2014 - 09:17:36 EST


It's only used in fork.c:mm_init().

Signed-off-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
---
include/linux/sched.h | 5 -----
kernel/fork.c | 14 +++++++-------
2 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 322d4fc8976c..c1d6d46ce941 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2959,15 +2959,10 @@ static inline void inc_syscw(struct task_struct *tsk)

#ifdef CONFIG_MEMCG
extern void mm_update_next_owner(struct mm_struct *mm);
-extern void mm_init_owner(struct mm_struct *mm, struct task_struct *p);
#else
static inline void mm_update_next_owner(struct mm_struct *mm)
{
}
-
-static inline void mm_init_owner(struct mm_struct *mm, struct task_struct *p)
-{
-}
#endif /* CONFIG_MEMCG */

static inline unsigned long task_rlimit(const struct task_struct *tsk,
diff --git a/kernel/fork.c b/kernel/fork.c
index c3117443f42e..371cb7cc4f80 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -526,6 +526,13 @@ static void mm_init_aio(struct mm_struct *mm)
#endif
}

+static void mm_init_owner(struct mm_struct *mm, struct task_struct *p)
+{
+#ifdef CONFIG_MEMCG
+ mm->owner = p;
+#endif
+}
+
static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p)
{
mm->mmap = NULL;
@@ -1098,13 +1105,6 @@ static void rt_mutex_init_task(struct task_struct *p)
#endif
}

-#ifdef CONFIG_MEMCG
-void mm_init_owner(struct mm_struct *mm, struct task_struct *p)
-{
- mm->owner = p;
-}
-#endif /* CONFIG_MEMCG */
-
/*
* Initialize POSIX timer handling for a single task.
*/
--
1.7.10.4

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