Re: [PATCH 2/2] mm/madvise: add process_madvise MADV_DONTNEER support
From: Oleg Nesterov <oleg@redhat.com>
Date: 2020-11-24 13:43:16
Also in:
linux-mm, lkml
On 11/23, Suren Baghdasaryan wrote:
+ if (madvise_destructive(behavior)) {
+ /* Allow destructive madvise only on a dying processes */
+ if (!signal_group_exit(task->signal)) {signal_group_exit(task) is true if this task execs and kills other threads, see the comment above this helper. I think you need !(task->signal->flags & SIGNAL_GROUP_EXIT). Oleg.