mm, oom: make dump_tasks public

Allow other functions to dump the list of tasks.
Useful for when debugging memory leaks.

Bug: 17871993
Change-Id: I76c33a118a9765b4c2276e8c76de36399c78dbf6
Signed-off-by: Liam Mark <lmark@codeaurora.org>
Signed-off-by: Naveen Ramaraj <nramaraj@codeaurora.org>

include/linux/oom.h

@@ -67,6 +67,9 @@ static inline void oom_killer_enable(void)
 
 extern struct task_struct *find_lock_task_mm(struct task_struct *p);
 
+extern void dump_tasks(const struct mem_cgroup *memcg,
+		const nodemask_t *nodemask);
+
 /* sysctls */
 extern int sysctl_oom_dump_tasks;
 extern int sysctl_oom_kill_allocating_task;

mm/oom_kill.c

@@ -389,7 +389,7 @@ static struct task_struct *select_bad_process(unsigned int *ppoints,
  *
  * Call with tasklist_lock read-locked.
  */
-static void dump_tasks(const struct mem_cgroup *memcg, const nodemask_t *nodemask)
+void dump_tasks(const struct mem_cgroup *memcg, const nodemask_t *nodemask)
 {
 	struct task_struct *p;
 	struct task_struct *task;