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Date: Fri, 31 Aug 2007 18:41:27 -0700
From: Christoph Lameter <clameter@....com>
To: Andy Whitcroft <apw@...dowen.org>
Subject: [RFC 20/26] FS: Proc filesystem support for slab defrag
Support procfs inode defragmentation
Signed-off-by: Christoph Lameter <clameter@....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 a5b0dfd..83a66d7 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -113,6 +113,12 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
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",
@@ -122,6 +128,8 @@ int __init proc_init_inodecache(void)
init_once);
if (proc_inode_cachep == NULL)
return -ENOMEM;
+ kmem_cache_setup_defrag(proc_inode_cachep,
+ proc_get_inodes, kick_inodes);
return 0;
}
--
1.5.2.4
--
-
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