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Date: Fri, 2 Feb 2024 16:38:48 +0100
From: Michal Hocko <mhocko@...e.com>
To: Lance Yang <ioworker0@...il.com>
Cc: akpm@...ux-foundation.org, zokeefe@...gle.com, david@...hat.com,
songmuchun@...edance.com, shy828301@...il.com, peterx@...hat.com,
minchan@...nel.org, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] mm/khugepaged: skip copying lazyfree pages on
collapse
On Fri 02-02-24 22:52:49, Lance Yang wrote:
> How about blocking khugepaged from
> collapsing lazyfree pages? This way,
> is it not better to keep the semantics
> of MADV_FREE?
I do not see any reason why. And you are not providing any
actual reasoning either. Unless you have a very specific
example in mind I do not think we want to change the current
behavior.
--
Michal Hocko
SUSE Labs
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