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Subject[PATCH -rc] memcg: disable move charge in no mmu case
In commit 02491447(memcg: move charges of anonymous swap), I tried to disable
move charge feature in no mmu case by enclosing all the related functions
with "#ifdef CONFIG_MMU", but the commit places these ifdefs in wrong place.
(it seems that it's mangled while handling some fixes...)

This patch fixes it up.

Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
---
mm/memcontrol.c | 44 ++++++++++++++++++++++----------------------
1 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7973b52..00dda35 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3946,28 +3946,6 @@ one_by_one:
}
return ret;
}
-#else /* !CONFIG_MMU */
-static int mem_cgroup_can_attach(struct cgroup_subsys *ss,
- struct cgroup *cgroup,
- struct task_struct *p,
- bool threadgroup)
-{
- return 0;
-}
-static void mem_cgroup_cancel_attach(struct cgroup_subsys *ss,
- struct cgroup *cgroup,
- struct task_struct *p,
- bool threadgroup)
-{
-}
-static void mem_cgroup_move_task(struct cgroup_subsys *ss,
- struct cgroup *cont,
- struct cgroup *old_cont,
- struct task_struct *p,
- bool threadgroup)
-{
-}
-#endif

/**
* is_target_pte_for_mc - check a pte whether it is valid for move charge
@@ -4330,6 +4308,28 @@ static void mem_cgroup_move_task(struct cgroup_subsys *ss,
}
mem_cgroup_clear_mc();
}
+#else /* !CONFIG_MMU */
+static int mem_cgroup_can_attach(struct cgroup_subsys *ss,
+ struct cgroup *cgroup,
+ struct task_struct *p,
+ bool threadgroup)
+{
+ return 0;
+}
+static void mem_cgroup_cancel_attach(struct cgroup_subsys *ss,
+ struct cgroup *cgroup,
+ struct task_struct *p,
+ bool threadgroup)
+{
+}
+static void mem_cgroup_move_task(struct cgroup_subsys *ss,
+ struct cgroup *cont,
+ struct cgroup *old_cont,
+ struct task_struct *p,
+ bool threadgroup)
+{
+}
+#endif

struct cgroup_subsys mem_cgroup_subsys = {
.name = "memory",
--
1.6.3.3





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