Re: [PATCH V2] mm: Allow userland to request that the kernel clear memory on release

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On Thu 25-04-19 13:39:01, Matthew Garrett wrote:
> On Thu, Apr 25, 2019 at 5:37 AM Michal Hocko <mhocko@xxxxxxxxxx> wrote:
> > Besides that you inherently assume that the user would do mlock because
> > you do not try to wipe the swap content. Is this intentional?
> 
> Yes, given MADV_DONTDUMP doesn't imply mlock I thought it'd be more
> consistent to keep those independent.

Do we want to fail madvise call on VMAs that are not mlocked then? What
if the munlock happens later after the madvise is called?

-- 
Michal Hocko
SUSE Labs




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