Merge tag 'kvm-ppc-fixes-4.20-1' of https://git.kernel.org/pub/scm/linux/kernel/git...

[linux-block.git] / mm / zswap.c

diff --git a/mm/zswap.c b/mm/zswap.c
index 7d34e69507e305adec0a64b5e272626385f9d651..cd91fd9d96b814d145e378b573dd289fb501e64e 100644 (file)
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -1026,6 +1026,15 @@ static int zswap_frontswap_store(unsigned type, pgoff_t offset,
                        ret = -ENOMEM;
                        goto reject;
                }
+
+               /* A second zswap_is_full() check after
+                * zswap_shrink() to make sure it's now
+                * under the max_pool_percent
+                */
+               if (zswap_is_full()) {
+                       ret = -ENOMEM;
+                       goto reject;
+               }
        }
 
        /* allocate entry */