From: Rik van Riel <riel@surriel.com>
To: Frank van der Linden <fvdl@google.com>,
akpm@linux-foundation.org, muchun.song@linux.dev,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Cc: hannes@cmpxchg.org, david@redhat.com, roman.gushchin@linux.dev
Subject: Re: [RFC PATCH 07/12] mm/compaction: optionally use a different isolate function
Date: Wed, 17 Sep 2025 08:53:48 -0400 [thread overview]
Message-ID: <3cd6df1b7d202206507b53bdec7a352b766c1ae6.camel@surriel.com> (raw)
In-Reply-To: <20250915195153.462039-8-fvdl@google.com>
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@google.com>
>
A custom isolation function can certainly solve some
of the issues!
Acked-by: Rik van Riel <riel@surriel.com>
--
All Rights Reversed.
next prev parent reply other threads:[~2025-09-17 12:54 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-15 19:51 [RFC PATCH 00/12] CMA balancing Frank van der Linden
2025-09-15 19:51 ` [RFC PATCH 01/12] mm/cma: add tunable for CMA fallback limit Frank van der Linden
2025-09-16 20:23 ` Rik van Riel
2025-09-15 19:51 ` [RFC PATCH 02/12] mm/cma: clean up flag handling a bit Frank van der Linden
2025-09-16 20:25 ` Rik van Riel
2025-09-15 19:51 ` [RFC PATCH 03/12] mm/cma: add flags argument to init functions Frank van der Linden
2025-09-16 21:16 ` Rik van Riel
2025-09-15 19:51 ` [RFC PATCH 04/12] mm/cma: keep a global sorted list of CMA ranges Frank van der Linden
2025-09-16 22:25 ` Rik van Riel
2025-09-15 19:51 ` [RFC PATCH 05/12] mm/cma: add helper functions for CMA balancing Frank van der Linden
2025-09-16 22:57 ` Rik van Riel
2025-09-15 19:51 ` [RFC PATCH 06/12] mm/cma: define and act on CMA_BALANCE flag Frank van der Linden
2025-09-17 3:30 ` Rik van Riel
2025-09-15 19:51 ` [RFC PATCH 07/12] mm/compaction: optionally use a different isolate function Frank van der Linden
2025-09-17 12:53 ` Rik van Riel [this message]
2025-09-15 19:51 ` [RFC PATCH 08/12] mm/compaction: simplify isolation order checks a bit Frank van der Linden
2025-09-17 14:43 ` Rik van Riel
2025-09-15 19:51 ` [RFC PATCH 09/12] mm/cma: introduce CMA balancing Frank van der Linden
2025-09-17 15:17 ` Rik van Riel
2025-09-15 19:51 ` [RFC PATCH 10/12] mm/hugetlb: do explicit " Frank van der Linden
2025-09-17 15:21 ` Rik van Riel
2025-09-15 19:51 ` [RFC PATCH 11/12] mm/cma: rebalance CMA when changing cma_first_limit Frank van der Linden
2025-09-17 15:22 ` Rik van Riel
2025-09-15 19:51 ` [RFC PATCH 12/12] mm/cma: add CMA balance VM event counter Frank van der Linden
2025-09-17 15:22 ` Rik van Riel
2025-09-17 0:50 ` [RFC PATCH 00/12] CMA balancing Roman Gushchin
2025-09-17 22:04 ` Frank van der Linden
2025-09-18 22:12 ` Roman Gushchin
2025-09-25 22:11 ` [RFC PATCH 13/12] mm,cma: add compaction cma balance helper for direct reclaim Rik van Riel
2025-09-25 22:11 ` [RFC PATCH 00/12] mm,cma: call CMA balancing from page reclaim code Rik van Riel
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