Support procfs inode defragmentation
Cc: Alexey Dobriyan <adobriyan@xxxxx>
Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>
Signed-off-by: Christoph Lameter <clameter@xxxxxxx>
Signed-off-by: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/inode.c | 8 ++++++++
1 file changed, 8 insertions(+)
Index: linux-next/fs/proc/inode.c
===================================================================
--- linux-next.orig/fs/proc/inode.c 2008-08-11 07:42:11.542357951 -0700
+++ linux-next/fs/proc/inode.c 2008-08-11 07:47:05.102359374 -0700
@@ -106,6 +106,12 @@ static void init_once(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",
@@ -113,6 +119,8 @@ 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;
}
--
--
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