diff options
| author | Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 00:26:26 -0700 |
|---|---|---|
| committer | Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 00:26:26 -0700 |
| commit | ee95f4059a833839bf52972191b2d4c3d3cec552 (patch) | |
| tree | a1c8587d9b82e64a75dde376a90a3d69b0f4847a /mm/vmscan.c | |
| parent | d121f07691415df824e6b60520f782f6d13b3c81 (diff) | |
| parent | f81e1d35a6e36d30888c46283b8dd1022e847124 (diff) | |
| download | linux-ee95f4059a833839bf52972191b2d4c3d3cec552.tar.bz2 | |
Merge branch 'for-4.16/nfit' into libnvdimm-for-next
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 3 |
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); |