diff options
Diffstat (limited to 'mm/rmap.c')
| -rw-r--r-- | mm/rmap.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index a3645d029400..928bdfe2be30 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1501,12 +1501,10 @@ static int page_mapcount_is_zero(struct page *page) * * Tries to remove all the page table entries which are mapping this * page, used in the pageout path. Caller must hold the page lock. - * Return values are: * - * SWAP_SUCCESS - we succeeded in removing all mappings - * SWAP_FAIL - the page is unswappable + * If unmap is successful, return true. Otherwise, false. */ -int try_to_unmap(struct page *page, enum ttu_flags flags) +bool try_to_unmap(struct page *page, enum ttu_flags flags) { struct rmap_walk_control rwc = { .rmap_one = try_to_unmap_one, @@ -1531,7 +1529,7 @@ int try_to_unmap(struct page *page, enum ttu_flags flags) else rmap_walk(page, &rwc); - return !page_mapcount(page) ? SWAP_SUCCESS : SWAP_FAIL; + return !page_mapcount(page) ? true : false; } static int page_not_mapped(struct page *page) |