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-rw-r--r--mm/vmscan.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 61ca0097c834..8277f93148b5 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -477,6 +477,12 @@ static int shrink_list(struct list_head *page_list, struct scan_control *sc)
* processes. Try to unmap it here.
*/
if (page_mapped(page) && mapping) {
+ /*
+ * No unmapping if we do not swap
+ */
+ if (!sc->may_swap)
+ goto keep_locked;
+
switch (try_to_unmap(page)) {
case SWAP_FAIL:
goto activate_locked;