Messages in this thread |  | | Date | Mon, 29 Jan 2018 11:13:23 -0800 | From | Tejun Heo <> | Subject | Re: [PATCH] kernfs: account kernfs_node_cache as reclaimable |
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On Fri, Jan 26, 2018 at 02:47:20PM -0800, Cong Wang wrote: > 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.
That evicts the inode, not the kernfs_node. kernfs_node is the backing storage for these filesystems. They aren't reclaimable.
Thanks.
-- tejun
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