mm: remove unncessary ret in page_referenced

Nobody uses ret variable. Remove it.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Minchan Kim <[email protected]>
Acked-by: Hillf Danton <[email protected]>
Acked-by: Kirill A. Shutemov <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Kirill A. Shutemov <[email protected]>
Cc: Anshuman Khandual <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Naoya Horiguchi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/mm/rmap.c b/mm/rmap.c
index a19bd8b8ab0d5d16f245bebf7b734a3c7fe69ffd..4baf504e4213aff2cdbb5d7612c48a7ebb48fbcb 100644 (file)
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -812,7 +812,6 @@ int page_referenced(struct page *page,
                    struct mem_cgroup *memcg,
                    unsigned long *vm_flags)
 {
-       int ret;
        int we_locked = 0;
        struct page_referenced_arg pra = {
                .mapcount = total_mapcount(page),
@@ -846,7 +845,7 @@ int page_referenced(struct page *page,
                rwc.invalid_vma = invalid_page_referenced_vma;
        }
 
-       ret = rmap_walk(page, &rwc);
+       rmap_walk(page, &rwc);
        *vm_flags = pra.vm_flags;
 
        if (we_locked)