1 files changed, 24 insertions, 16 deletions

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index ea2147dabba6..492c98624fc1 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -337,6 +337,21 @@ static void dump_tasks(const struct mem_cgroup *mem)
         } while_each_thread(g, p);
 }
 
+static void dump_header(gfp_t gfp_mask, int order, struct mem_cgroup *mem)
+{
+        pr_warning("%s invoked oom-killer: gfp_mask=0x%x, order=%d, "
+                "oom_adj=%d\n",
+                current->comm, gfp_mask, order, current->signal->oom_adj);
+        task_lock(current);
+        cpuset_print_task_mems_allowed(current);
+        task_unlock(current);
+        dump_stack();
+        mem_cgroup_print_oom_info(mem, current);
+        show_mem();
+        if (sysctl_oom_dump_tasks)
+                dump_tasks(mem);
+}
+
 /*
  * Send SIGKILL to the selected  process irrespective of  CAP_SYS_RAW_IO
  * flag though it's unlikely that  we select a process with CAP_SYS_RAW_IO
@@ -395,20 +410,8 @@ static int oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
 {
         struct task_struct *c;
 
-        if (printk_ratelimit()) {
-                printk(KERN_WARNING "%s invoked oom-killer: "
-                        "gfp_mask=0x%x, order=%d, oom_adj=%d\n",
-                        current->comm, gfp_mask, order,
-                        current->signal->oom_adj);
-                task_lock(current);
-                cpuset_print_task_mems_allowed(current);
-                task_unlock(current);
-                dump_stack();
-                mem_cgroup_print_oom_info(mem, current);
-                show_mem();
-                if (sysctl_oom_dump_tasks)
-                        dump_tasks(mem);
-        }
+        if (printk_ratelimit())
+                dump_header(gfp_mask, order, mem);
 
         /*
          * If the task is already exiting, don't alarm the sysadmin or kill
@@ -544,6 +547,7 @@ retry:
         /* Found nothing?!?! Either we hang forever, or we panic. */
         if (!p) {
                 read_unlock(&tasklist_lock);
+                dump_header(gfp_mask, order, NULL);
                 panic("Out of memory and no killable processes...\n");
         }
 
@@ -609,8 +613,10 @@ void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order)
                 /* Got some memory back in the last second. */
                 return;
 
-        if (sysctl_panic_on_oom == 2)
+        if (sysctl_panic_on_oom == 2) {
+                dump_header(gfp_mask, order, NULL);
                 panic("out of memory. Compulsory panic_on_oom is selected.\n");
+        }
 
         /*
          * Check if there were limitations on the allocation (only relevant for
@@ -626,8 +632,10 @@ void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order)
                 break;
 
         case CONSTRAINT_NONE:
-                if (sysctl_panic_on_oom)
+                if (sysctl_panic_on_oom) {
+                        dump_header(gfp_mask, order, NULL);
                         panic("out of memory. panic_on_oom is selected\n");
+                }
                 /* Fall-through */
         case CONSTRAINT_CPUSET:
                 __out_of_memory(gfp_mask, order);