mm: page_counter: let page_counter_try_charge() return bool

[sfrench/cifs-2.6.git] / mm / page_counter.c

diff --git a/mm/page_counter.c b/mm/page_counter.c
index 11b4beda14ba9963f5799c6b6638d8a170bd8878..7c6a63d2c27ff4737afc2f5915edfcffcc356a62 100644 (file)
--- a/mm/page_counter.c
+++ b/mm/page_counter.c
@@ -56,12 +56,12 @@ void page_counter_charge(struct page_counter *counter, unsigned long nr_pages)
  * @nr_pages: number of pages to charge
  * @fail: points first counter to hit its limit, if any
  *
- * Returns 0 on success, or -ENOMEM and @fail if the counter or one of
- * its ancestors has hit its configured limit.
+ * Returns %true on success, or %false and @fail if the counter or one
+ * of its ancestors has hit its configured limit.
  */
-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)
 {
        struct page_counter *c;
 
@@ -99,13 +99,13 @@ int page_counter_try_charge(struct page_counter *counter,
                if (new > c->watermark)
                        c->watermark = new;
        }
-       return 0;
+       return true;
 
 failed:
        for (c = counter; c != *fail; c = c->parent)
                page_counter_cancel(c, nr_pages);
 
-       return -ENOMEM;
+       return false;
 }
 
 /**