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authorJohannes Weiner <hannes@cmpxchg.org>2015-02-12 02:26:03 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-12 04:06:02 +0300
commit650c5e565492f9092552bfe4d65935196c7d9567 (patch)
tree5fce0f701502f4b75339d4c53b37301d3db65fdb /include/linux/page_counter.h
parent8d29e18a459dfc2adeafc1acb9c4185ee6713116 (diff)
downloadlinux-650c5e565492f9092552bfe4d65935196c7d9567.tar.xz
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 'include/linux/page_counter.h')
-rw-r--r--include/linux/page_counter.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/page_counter.h b/include/linux/page_counter.h
index 955421575d16..17fa4f8de3a6 100644
--- a/include/linux/page_counter.h
+++ b/include/linux/page_counter.h
@@ -41,7 +41,8 @@ int page_counter_try_charge(struct page_counter *counter,
struct page_counter **fail);
void page_counter_uncharge(struct page_counter *counter, unsigned long nr_pages);
int page_counter_limit(struct page_counter *counter, unsigned long limit);
-int page_counter_memparse(const char *buf, unsigned long *nr_pages);
+int page_counter_memparse(const char *buf, const char *max,
+ unsigned long *nr_pages);
static inline void page_counter_reset_watermark(struct page_counter *counter)
{