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-rw-r--r--mm/filemap.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 07e9d9258b4..239d36163bb 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -576,10 +576,12 @@ EXPORT_SYMBOL(unlock_page);
*/
void end_page_writeback(struct page *page)
{
- if (!TestClearPageReclaim(page) || rotate_reclaimable_page(page)) {
- if (!test_clear_page_writeback(page))
- BUG();
- }
+ if (TestClearPageReclaim(page))
+ rotate_reclaimable_page(page);
+
+ if (!test_clear_page_writeback(page))
+ BUG();
+
smp_mb__after_clear_bit();
wake_up_page(page, PG_writeback);
}