linux-kernel - Re: [PATCH 1/1] mm/khugepaged: skip copying lazyfree pages on collapse

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Date: Fri, 2 Feb 2024 16:26:47 +0100
From: David Hildenbrand <david@...hat.com>
To: Lance Yang <ioworker0@...il.com>, Michal Hocko <mhocko@...e.com>
Cc: akpm@...ux-foundation.org, zokeefe@...gle.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 02.02.24 15:52, Lance Yang wrote:
> How about blocking khugepaged from
> collapsing lazyfree pages? This way,
> is it not better to keep the semantics
> of MADV_FREE?
> 
> What do you think?

Why do we even want to change any behavior here? A lot of things "might 
cause confusion among users". Even worse, a lot of things do cause 
confusion ;)

-- 
Cheers,

David / dhildenb