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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-15 17:00:11 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-15 17:00:11 +0300
commitc182ce9bc8c85a623c71a23bcd6768045126c289 (patch)
tree73fb6561bbec5d89cba74492c149f3012e275afa /mm/vmscan.c
parent2da050e4f151c458df909780843067e7c2d11ec2 (diff)
parenta8750ddca918032d6349adbf9a4b6555e7db20da (diff)
downloadlinux-c182ce9bc8c85a623c71a23bcd6768045126c289.tar.xz
Merge 4.15-rc8 into usb-next
We want the USB fixes in here as well for merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/vmscan.c')
-rw-r--r--mm/vmscan.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index c02c850ea349..47d5ced51f2d 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -297,10 +297,13 @@ EXPORT_SYMBOL(register_shrinker);
*/
void unregister_shrinker(struct shrinker *shrinker)
{
+ if (!shrinker->nr_deferred)
+ return;
down_write(&shrinker_rwsem);
list_del(&shrinker->list);
up_write(&shrinker_rwsem);
kfree(shrinker->nr_deferred);
+ shrinker->nr_deferred = NULL;
}
EXPORT_SYMBOL(unregister_shrinker);