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-rw-r--r--mm/page_counter.c23
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);
}
/**