mm: memcontrol: zap oom_info_lock

[cascardo/linux.git] / mm / page-writeback.c

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index d7cf2c5..11ff8f7 100644 (file)
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2700,7 +2700,6 @@ int clear_page_dirty_for_io(struct page *page)
                 * always locked coming in here, so we get the desired
                 * exclusion.
                 */
-               lock_page_memcg(page);
                wb = unlocked_inode_to_wb_begin(inode, &locked);
                if (TestClearPageDirty(page)) {
                        mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_DIRTY);
@@ -2709,7 +2708,6 @@ int clear_page_dirty_for_io(struct page *page)
                        ret = 1;
                }
                unlocked_inode_to_wb_end(inode, locked);
-               unlock_page_memcg(page);
                return ret;
        }
        return TestClearPageDirty(page);