Messages in this thread | | | Date | Tue, 24 Nov 2020 14:42:09 +0100 | From | Oleg Nesterov <> | Subject | Re: [PATCH 2/2] mm/madvise: add process_madvise MADV_DONTNEER support |
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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.
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