diff options
Diffstat (limited to 'mm/page_counter.c')
| -rw-r--r-- | mm/page_counter.c | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/mm/page_counter.c b/mm/page_counter.c index f0cbc0825426..a009574fbba9 100644 --- a/mm/page_counter.c +++ b/mm/page_counter.c @@ -16,19 +16,14 @@ * page_counter_cancel - take pages out of the local counter * @counter: counter * @nr_pages: number of pages to cancel - * - * Returns whether there are remaining pages in the counter. */ -int page_counter_cancel(struct page_counter *counter, unsigned long nr_pages) +void page_counter_cancel(struct page_counter *counter, unsigned long nr_pages) { long new; new = atomic_long_sub_return(nr_pages, &counter->count); - /* More uncharges than charges? */ WARN_ON_ONCE(new < 0); - - return new > 0; } /** @@ -117,23 +112,13 @@ failed: * page_counter_uncharge - hierarchically uncharge pages * @counter: counter * @nr_pages: number of pages to uncharge - * - * Returns whether there are remaining charges in @counter. */ -int page_counter_uncharge(struct page_counter *counter, unsigned long nr_pages) +void page_counter_uncharge(struct page_counter *counter, unsigned long nr_pages) { struct page_counter *c; - int ret = 1; - for (c = counter; c; c = c->parent) { - int remainder; - - remainder = page_counter_cancel(c, nr_pages); - if (c == counter && !remainder) - ret = 0; - } - - return ret; + for (c = counter; c; c = c->parent) + page_counter_cancel(c, nr_pages); } /** |