Messages in this thread | | | Date | Wed, 8 Feb 2012 16:34:47 +0100 | From | Oleg Nesterov <> | Subject | Re: [PATCH 4/6] staging: android/lowmemorykiller: Better mm handling |
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On 02/06, Anton Vorontsov wrote: > > LMK should not directly check for task->mm. The reason is that the > process' threads may exit or detach its mm via use_mm(), but other > threads may still have a valid mm. To catch this we use > find_lock_task_mm(), which walks up all threads and returns an > appropriate task (with lock held).
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
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