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-rw-r--r--mm/oom_kill.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 372692294844..ea2147dabba6 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -373,11 +373,6 @@ static void __oom_kill_task(struct task_struct *p, int verbose)
373 373
374static int oom_kill_task(struct task_struct *p) 374static int oom_kill_task(struct task_struct *p)
375{ 375{
376 struct mm_struct *mm;
377 struct task_struct *g, *q;
378
379 mm = p->mm;
380
381 /* WARNING: mm may not be dereferenced since we did not obtain its 376 /* WARNING: mm may not be dereferenced since we did not obtain its
382 * value from get_task_mm(p). This is OK since all we need to do is 377 * value from get_task_mm(p). This is OK since all we need to do is
383 * compare mm to q->mm below. 378 * compare mm to q->mm below.
@@ -386,21 +381,11 @@ static int oom_kill_task(struct task_struct *p)
386 * change to NULL at any time since we do not hold task_lock(p). 381 * change to NULL at any time since we do not hold task_lock(p).
387 * However, this is of no concern to us. 382 * However, this is of no concern to us.
388 */ 383 */
389 if (!mm || p->signal->oom_adj == OOM_DISABLE) 384 if (!p->mm || p->signal->oom_adj == OOM_DISABLE)
390 return 1; 385 return 1;
391 386
392 __oom_kill_task(p, 1); 387 __oom_kill_task(p, 1);
393 388
394 /*
395 * kill all processes that share the ->mm (i.e. all threads),
396 * but are in a different thread group. Don't let them have access
397 * to memory reserves though, otherwise we might deplete all memory.
398 */
399 do_each_thread(g, q) {
400 if (q->mm == mm && !same_thread_group(q, p))
401 force_sig(SIGKILL, q);
402 } while_each_thread(g, q);
403
404 return 0; 389 return 0;
405} 390}
406 391