"When we cannot write a page we should use redirty_page_for_writepage()
instead of plain set_page_dirty(). That tells writeback code we have
problems, redirties only the page (redirtying buffers is not needed),
and updates mm accounting of failed page writes."
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Hugh Dickins <hu...@google.com>
---
mm/shmem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/shmem.c b/mm/shmem.c
index 142b0bc085e1..18aa88eff8e3 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -872,7 +872,7 @@ static int shmem_writepage(struct page *page, struct
writeback_control *wbc)
mutex_unlock(&shmem_swaplist_mutex);
swapcache_free(swap, NULL);
redirty:
- set_page_dirty(page);
+ redirty_page_for_writepage(wbc, page);
if (wbc->for_reclaim)
return AOP_WRITEPAGE_ACTIVATE; /* Return with page locked */
unlock_page(page);
--
1.9.0
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