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    Subject[patch 16/21] Filesystem: /proc filesystem support for slab defrag
    Support procfs inode defragmentation

    Cc: Alexey Dobriyan <adobriyan@sw.ru>
    Reviewed-by: Rik van Riel <riel@redhat.com>
    Signed-off-by: Christoph Lameter <clameter@sgi.com>
    ---
    fs/proc/inode.c | 8 ++++++++
    1 files changed, 8 insertions(+), 0 deletions(-)

    diff --git a/fs/proc/inode.c b/fs/proc/inode.c
    index 82b3a1b..5bc8d23 100644
    --- a/fs/proc/inode.c
    +++ b/fs/proc/inode.c
    @@ -104,6 +104,12 @@ static void init_once(struct kmem_cache * cachep, void *foo)
    inode_init_once(&ei->vfs_inode);
    }

    +static void *proc_get_inodes(struct kmem_cache *s, int nr, void **v)
    +{
    + return fs_get_inodes(s, nr, v,
    + offsetof(struct proc_inode, vfs_inode));
    +};
    +
    int __init proc_init_inodecache(void)
    {
    proc_inode_cachep = kmem_cache_create("proc_inode_cache",
    @@ -111,6 +117,8 @@ int __init proc_init_inodecache(void)
    0, (SLAB_RECLAIM_ACCOUNT|
    SLAB_MEM_SPREAD|SLAB_PANIC),
    init_once);
    + kmem_cache_setup_defrag(proc_inode_cachep,
    + proc_get_inodes, kick_inodes);
    return 0;
    }

    --
    1.5.4.4
    --


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