linux-kernel - Re: [PATCH linux-next] mm/madvise: allow KSM hints for process

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Message-ID: <YsKnZ++HZcOPOhCS@dhcp22.suse.cz>
Date:   Mon, 4 Jul 2022 10:40:07 +0200
From:   Michal Hocko <mhocko@...e.com>
To:     CGEL <cgel.zte@...il.com>
Cc:     David Hildenbrand <david@...hat.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, vbabka@...e.cz, minchan@...nel.org,
        oleksandr@...hat.com, xu xin <xu.xin16@....com.cn>,
        Jann Horn <jannh@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH linux-next] mm/madvise: allow KSM hints for
 process_madvise

On Mon 04-07-22 07:29:41, CGEL wrote:
[...]
> Maybe new semantics is needed similarly to MADV_NOHUGEPAGE that ensures that
> there will *not* be huge pages.

How do you achieve that with a backward compatibility?

-- 
Michal Hocko
SUSE Labs