Similar to commit df206988e03e
("fs: fuse: account fuse_inode slab memory as reclaimable"), these
kernfs nodes are currently included in the unreclaimable slab counts -
SUnreclaim in /proc/meminfo. And they are reclaimable too and can be
freed by kernfs_evict_inode() via /proc/sys/vm/drop_caches easily.Mark the slab cache reclaimable. Cc: Greg Kroah-Hartman <[email protected]> Cc: Tejun Heo <[email protected]> Signed-off-by: Cong Wang <[email protected]> --- fs/kernfs/mount.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c index 26dd9a50f383..66a699d06c9a 100644 --- a/fs/kernfs/mount.c +++ b/fs/kernfs/mount.c @@ -411,6 +411,6 @@ void __init kernfs_init(void) kernfs_node_cache = kmem_cache_create("kernfs_node_cache", sizeof(struct kernfs_node), 0, - SLAB_PANIC | SLAB_TYPESAFE_BY_RCU, + SLAB_PANIC | SLAB_TYPESAFE_BY_RCU | SLAB_RECLAIM_ACCOUNT, NULL); } -- 2.13.0
