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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 12:34:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 12:34:08 -0700
commitcd9b44f90763c3367e8dd0601849ffb028e8ba52 (patch)
treed1da0c2d49e3622fe51584a154ab383b3e783c1b /mm/vmscan.c
parentdf2def49c57b4146520a1f4ca37bc3f494e2cd67 (diff)
parent2a9d6481004215da8e93edb588cf448f2af80303 (diff)
downloadlwn-cd9b44f90763c3367e8dd0601849ffb028e8ba52.tar.gz
lwn-cd9b44f90763c3367e8dd0601849ffb028e8ba52.zip
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: - the rest of MM - procfs updates - various misc things - more y2038 fixes - get_maintainer updates - lib/ updates - checkpatch updates - various epoll updates - autofs updates - hfsplus - some reiserfs work - fatfs updates - signal.c cleanups - ipc/ updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (166 commits) ipc/util.c: update return value of ipc_getref from int to bool ipc/util.c: further variable name cleanups ipc: simplify ipc initialization ipc: get rid of ids->tables_initialized hack lib/rhashtable: guarantee initial hashtable allocation lib/rhashtable: simplify bucket_table_alloc() ipc: drop ipc_lock() ipc/util.c: correct comment in ipc_obtain_object_check ipc: rename ipcctl_pre_down_nolock() ipc/util.c: use ipc_rcu_putref() for failues in ipc_addid() ipc: reorganize initialization of kern_ipc_perm.seq ipc: compute kern_ipc_perm.id under the ipc lock init/Kconfig: remove EXPERT from CHECKPOINT_RESTORE fs/sysv/inode.c: use ktime_get_real_seconds() for superblock stamp adfs: use timespec64 for time conversion kernel/sysctl.c: fix typos in comments drivers/rapidio/devices/rio_mport_cdev.c: remove redundant pointer md fork: don't copy inconsistent signal handler state to child signal: make get_signal() return bool signal: make sigkill_pending() return bool ...
Diffstat (limited to 'mm/vmscan.c')
-rw-r--r--mm/vmscan.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 4375b1e9bd56..7e7d25504651 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -408,7 +408,8 @@ void register_shrinker_prepared(struct shrinker *shrinker)
down_write(&shrinker_rwsem);
list_add_tail(&shrinker->list, &shrinker_list);
#ifdef CONFIG_MEMCG_KMEM
- idr_replace(&shrinker_idr, shrinker, shrinker->id);
+ if (shrinker->flags & SHRINKER_MEMCG_AWARE)
+ idr_replace(&shrinker_idr, shrinker, shrinker->id);
#endif
up_write(&shrinker_rwsem);
}
@@ -902,7 +903,7 @@ static int __remove_mapping(struct address_space *mapping, struct page *page,
refcount = 2;
if (!page_ref_freeze(page, refcount))
goto cannot_free;
- /* note: atomic_cmpxchg in page_freeze_refs provides the smp_rmb */
+ /* note: atomic_cmpxchg in page_ref_freeze provides the smp_rmb */
if (unlikely(PageDirty(page))) {
page_ref_unfreeze(page, refcount);
goto cannot_free;