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authorBalbir Singh <balbir@linux.vnet.ibm.com>2008-10-15 22:01:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 11:21:28 -0700
commit9363b9f23c9cc36cc8ef6c05fdf879ee4a96ae92 (patch)
tree482746b06d6fdd8be606de4dff584a3a40054c4c /include/linux/cgroup.h
parent1648993fb05c487947c1cec6307aca29d8002abe (diff)
downloadlwn-9363b9f23c9cc36cc8ef6c05fdf879ee4a96ae92.tar.gz
lwn-9363b9f23c9cc36cc8ef6c05fdf879ee4a96ae92.zip
memrlimit: cgroup mm owner callback changes to add task info
This patch adds an additional field to the mm_owner callbacks. This field is required to get to the mm that changed. Hold mmap_sem in write mode before calling the mm_owner_changed callback [hugh@veritas.com: fix mmap_sem deadlock] Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com> Cc: Sudhir Kumar <skumar@linux.vnet.ibm.com> Cc: YAMAMOTO Takashi <yamamoto@valinux.co.jp> Cc: Paul Menage <menage@google.com> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Pavel Emelianov <xemul@openvz.org> Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: David Rientjes <rientjes@google.com> Cc: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/cgroup.h')
-rw-r--r--include/linux/cgroup.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index c98dd7cb7076..30934e4bfaab 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -326,7 +326,8 @@ struct cgroup_subsys {
*/
void (*mm_owner_changed)(struct cgroup_subsys *ss,
struct cgroup *old,
- struct cgroup *new);
+ struct cgroup *new,
+ struct task_struct *p);
int subsys_id;
int active;
int disabled;