---

yaml --- r: 208523 b: refs/heads/master c: 158e0a2 h: refs/heads/master i: 208521: c3b9a23 208519: 572abb6 v: v3
git-mirror · Aug 11, 2010 · 28606c8 · 28606c8
1 parent fe0d248
commit 28606c8
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Showing 4 changed files with 11 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 73045c47b6facbdf4656e6763c8cb469de4337e2
+refs/heads/master: 158e0a2d1b3cffed8b46cbc56393a1394672ef79
diff --git a/trunk/include/linux/oom.h b/trunk/include/linux/oom.h
@@ -66,6 +66,8 @@ static inline void oom_killer_enable(void)
 extern unsigned long badness(struct task_struct *p, struct mem_cgroup *mem,
 		      const nodemask_t *nodemask, unsigned long uptime);
 
+extern struct task_struct *find_lock_task_mm(struct task_struct *p);
+
 /* sysctls */
 extern int sysctl_oom_dump_tasks;
 extern int sysctl_oom_kill_allocating_task;

diff --git a/trunk/mm/memcontrol.c b/trunk/mm/memcontrol.c
@@ -47,6 +47,7 @@
 #include <linux/mm_inline.h>
 #include <linux/page_cgroup.h>
 #include <linux/cpu.h>
+#include <linux/oom.h>
 #include "internal.h"
 
 #include <asm/uaccess.h>
@@ -838,10 +839,13 @@ int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem)
 {
 	int ret;
 	struct mem_cgroup *curr = NULL;
+	struct task_struct *p;
 
-	task_lock(task);
-	curr = try_get_mem_cgroup_from_mm(task->mm);
-	task_unlock(task);
+	p = find_lock_task_mm(task);
+	if (!p)
+		return 0;
+	curr = try_get_mem_cgroup_from_mm(p->mm);
+	task_unlock(p);
 	if (!curr)
 		return 0;
 	/*

diff --git a/trunk/mm/oom_kill.c b/trunk/mm/oom_kill.c
@@ -106,7 +106,7 @@ static void boost_dying_task_prio(struct task_struct *p,
  * pointer.  Return p, or any of its subthreads with a valid ->mm, with
  * task_lock() held.
  */
-static struct task_struct *find_lock_task_mm(struct task_struct *p)
+struct task_struct *find_lock_task_mm(struct task_struct *p)
 {
 	struct task_struct *t = p;