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| author | Johannes Weiner <hannes@cmpxchg.org> | 2015-11-05 18:50:26 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-05 19:34:48 -0800 |
| commit | 6071ca5201066f4b2a61cfb693dd186d6bc6e9f3 (patch) | |
| tree | 2ec2fa58fc43986025267568feb96c7b86a2722c /include/linux/page_counter.h | |
| parent | f5fc3c5d817435970aa301d066820a9ac12c8120 (diff) | |
| download | linux-stable-6071ca5201066f4b2a61cfb693dd186d6bc6e9f3.tar.gz linux-stable-6071ca5201066f4b2a61cfb693dd186d6bc6e9f3.tar.bz2 linux-stable-6071ca5201066f4b2a61cfb693dd186d6bc6e9f3.zip | |
mm: page_counter: let page_counter_try_charge() return bool
page_counter_try_charge() currently returns 0 on success and -ENOMEM on
failure, which is surprising behavior given the function name.
Make it follow the expected pattern of try_stuff() functions that return a
boolean true to indicate success, or false for failure.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Vladimir Davydov <vdavydov@virtuozzo.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.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/page_counter.h b/include/linux/page_counter.h index 17fa4f8de3a6..7e62920a3a94 100644 --- a/include/linux/page_counter.h +++ b/include/linux/page_counter.h @@ -36,9 +36,9 @@ static inline unsigned long page_counter_read(struct page_counter *counter) void page_counter_cancel(struct page_counter *counter, unsigned long nr_pages); void page_counter_charge(struct page_counter *counter, unsigned long nr_pages); -int page_counter_try_charge(struct page_counter *counter, - unsigned long nr_pages, - struct page_counter **fail); +bool page_counter_try_charge(struct page_counter *counter, + unsigned long nr_pages, + 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, const char *max, |