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authorJohannes Weiner <hannes@cmpxchg.org>2015-02-11 15:26:03 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-11 17:06:02 -0800
commit650c5e565492f9092552bfe4d65935196c7d9567 (patch)
tree5fce0f701502f4b75339d4c53b37301d3db65fdb /mm/memcontrol.c
parent8d29e18a459dfc2adeafc1acb9c4185ee6713116 (diff)
mm: page_counter: pull "-1" handling out of page_counter_memparse()
The unified hierarchy interface for memory cgroups will no longer use "-1" to mean maximum possible resource value. In preparation for this, make the string an argument and let the caller supply it. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Michal Hocko <mhocko@suse.cz> Cc: Vladimir Davydov <vdavydov@parallels.com> Cc: Greg Thelen <gthelen@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index dc5c4cd0afdf..6453ea5a27aa 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3414,7 +3414,7 @@ static ssize_t mem_cgroup_write(struct kernfs_open_file *of,
int ret;
buf = strstrip(buf);
- ret = page_counter_memparse(buf, &nr_pages);
+ ret = page_counter_memparse(buf, "-1", &nr_pages);
if (ret)
return ret;
@@ -3786,7 +3786,7 @@ static int __mem_cgroup_usage_register_event(struct mem_cgroup *memcg,
unsigned long usage;
int i, size, ret;
- ret = page_counter_memparse(args, &threshold);
+ ret = page_counter_memparse(args, "-1", &threshold);
if (ret)
return ret;