From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Lameter Subject: [patch 19/23] FS: Socket inode defragmentation Date: Tue, 06 Nov 2007 17:11:49 -0800 Message-ID: <20071107011231.189627912@sgi.com> References: <20071107011130.382244340@sgi.com> Return-path: Content-Disposition: inline; filename=0022-slab_defrag_socket.patch Sender: linux-kernel-owner@vger.kernel.org To: akpm@linux-foundatin.org Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Mel Gorman List-Id: linux-mm.kvack.org Support inode defragmentation for sockets Reviewed-by: Rik van Riel Signed-off-by: Christoph Lameter --- net/socket.c | 8 ++++++++ 1 file changed, 8 insertions(+) Index: linux-2.6/net/socket.c =================================================================== --- linux-2.6.orig/net/socket.c 2007-10-30 16:34:39.000000000 -0700 +++ linux-2.6/net/socket.c 2007-11-06 12:56:27.000000000 -0800 @@ -265,6 +265,12 @@ static void init_once(struct kmem_cache inode_init_once(&ei->vfs_inode); } +static void *sock_get_inodes(struct kmem_cache *s, int nr, void **v) +{ + return fs_get_inodes(s, nr, v, + offsetof(struct socket_alloc, vfs_inode)); +} + static int init_inodecache(void) { sock_inode_cachep = kmem_cache_create("sock_inode_cache", @@ -276,6 +282,8 @@ static int init_inodecache(void) init_once); if (sock_inode_cachep == NULL) return -ENOMEM; + kmem_cache_setup_defrag(sock_inode_cachep, + sock_get_inodes, kick_inodes); return 0; } --