The patch titled
Subject: fs: fuse: account fuse_inode slab memory as reclaimable
has been added to the -mm tree. Its filename is
fs-fuse-account-fuse_inode-slab-memory-as-reclaimable.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-fuse-account-fuse_inode-slab-memory-as-reclaimable.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-fuse-account-fuse_inode-slab-memory-as-reclaimable.patch
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------------------------------------------------------
From: Johannes Weiner <hannes@xxxxxxxxxxx>
Subject: fs: fuse: account fuse_inode slab memory as reclaimable
Fuse inodes are currently included in the unreclaimable slab counts -
SUnreclaim in /proc/meminfo, slab_unreclaimable in /proc/vmstat and the
per-cgroup memory.stat. But they are reclaimable just like other
filesystems' inodes, and /proc/sys/vm/drop_caches frees them easily.
Mark the slab cache reclaimable.
Link: http://lkml.kernel.org/r/20171102202727.12539-1-hannes@xxxxxxxxxxx
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Miklos Szeredi <mszeredi@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/fuse/inode.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN fs/fuse/inode.c~fs-fuse-account-fuse_inode-slab-memory-as-reclaimable fs/fuse/inode.c
--- a/fs/fuse/inode.c~fs-fuse-account-fuse_inode-slab-memory-as-reclaimable
+++ a/fs/fuse/inode.c
@@ -1273,9 +1273,9 @@ static int __init fuse_fs_init(void)
int err;
fuse_inode_cachep = kmem_cache_create("fuse_inode",
- sizeof(struct fuse_inode), 0,
- SLAB_HWCACHE_ALIGN|SLAB_ACCOUNT,
- fuse_inode_init_once);
+ sizeof(struct fuse_inode), 0,
+ SLAB_HWCACHE_ALIGN|SLAB_ACCOUNT|SLAB_RECLAIM_ACCOUNT,
+ fuse_inode_init_once);
err = -ENOMEM;
if (!fuse_inode_cachep)
goto out;
_
Patches currently in -mm which might be from hannes@xxxxxxxxxxx are
fs-fuse-account-fuse_inode-slab-memory-as-reclaimable.patch
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