linux-kernel - Re: [RFC PATCH 07/12] mm/compaction: optionally use a different isolate function

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <3cd6df1b7d202206507b53bdec7a352b766c1ae6.camel@surriel.com>
Date: Wed, 17 Sep 2025 08:53:48 -0400
From: Rik van Riel <riel@...riel.com>
To: Frank van der Linden <fvdl@...gle.com>, akpm@...ux-foundation.org, 
	muchun.song@...ux.dev, linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc: hannes@...xchg.org, david@...hat.com, roman.gushchin@...ux.dev
Subject: Re: [RFC PATCH 07/12] mm/compaction: optionally use a different
 isolate function

On Mon, 2025-09-15 at 19:51 +0000, Frank van der Linden wrote:
> For CMA balancing, the compaction migration hooks can largely
> be reused, except a different function to isolate free pages
> is needed.
> 
> So, add a pointer to the isolation function in the compact_control
> structure. If it's not NULL, use it, else use isolate_freepages as
> usual.
> 
> No functional change.
> 
> Signed-off-by: Frank van der Linden <fvdl@...gle.com>
> 

A custom isolation function can certainly solve some
of the issues!

Acked-by: Rik van Riel <riel@...riel.com>

-- 
All Rights Reversed.