Filesystems: /proc filesystem support for slab defrag

[Christoph Lameter]

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-2.6/fs/proc/inode.c
===================================================================
--- linux-2.6.orig/fs/proc/inode.c	2009-12-18 13:13:24.000000000 -0600
+++ linux-2.6/fs/proc/inode.c	2010-01-29 10:33:22.000000000 -0600
@@ -77,6 +77,12 @@ 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));
+}
+
 void __init proc_init_inodecache(void)
 {
 	proc_inode_cachep = kmem_cache_create("proc_inode_cache",
@@ -84,6 +90,8 @@ void __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)
 }
 
 static const struct super_operations proc_sops = {

-- 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/