From: Baolin Wang <baolin.wang@linux.alibaba.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: david@kernel.org, catalin.marinas@arm.com, will@kernel.org,
lorenzo.stoakes@oracle.com, ryan.roberts@arm.com,
Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org,
surenb@google.com, mhocko@suse.com, riel@surriel.com,
harry.yoo@oracle.com, jannh@google.com, willy@infradead.org,
baohua@kernel.org, dev.jain@arm.com, axelrasmussen@google.com,
yuanchu@google.com, weixugc@google.com, hannes@cmpxchg.org,
zhengqi.arch@bytedance.com, shakeel.butt@linux.dev,
linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 0/6] support batched checking of the young flag for MGLRU
Date: Sat, 7 Mar 2026 09:29:22 +0800 [thread overview]
Message-ID: <0fb36b71-d9b9-4a43-a13c-463469fb202f@linux.alibaba.com> (raw)
In-Reply-To: <20260306152042.8516ec644e95e9a23df30e5f@linux-foundation.org>
On 3/7/26 7:20 AM, Andrew Morton wrote:
> On Fri, 6 Mar 2026 14:43:36 +0800 Baolin Wang <baolin.wang@linux.alibaba.com> wrote:
>
>> This is a follow-up to the previous work [1], to support batched checking
>> of the young flag for MGLRU.
>>
>> Similarly, batched checking of young flag for large folios can improve
>> performance during large-folio reclamation when MGLRU is enabled. I
>> observed noticeable performance improvements (see patch 5) on an Arm64
>> machine that supports contiguous PTEs. All mm-selftests are passed.
>
> Thanks, I updated mm-new with this.
>
>> Changes from v2:
>> v2: https://lore.kernel.org/all/cover.1772185080.git.baolin.wang@linux.alibaba.com/
>> - Update the commit message of patch 5 (per David).
>> - Fix some coding style issues (per David).
>> - Remove 'cur_pte' variable in lru_gen_look_around() (per David).
>> - Move 'ptes += nr;' to the suitable place in folio_referenced_one() (per David).
>> - Add acked tag from David. Thanks.
>>
>
> Here's how v3 altered mm.git:
Thanks Andrew. LGTM.
prev parent reply other threads:[~2026-03-07 1:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-06 6:43 [PATCH v3 0/6] support batched checking of the young flag for MGLRU Baolin Wang
2026-03-06 6:43 ` [PATCH v3 1/6] mm: use inline helper functions instead of ugly macros Baolin Wang
2026-03-06 6:43 ` [PATCH v3 2/6] mm: rename ptep/pmdp_clear_young_notify() to ptep/pmdp_test_and_clear_young_notify() Baolin Wang
2026-03-06 6:43 ` [PATCH v3 3/6] mm: rmap: add a ZONE_DEVICE folio warning in folio_referenced() Baolin Wang
2026-03-06 6:43 ` [PATCH v3 4/6] mm: add a batched helper to clear the young flag for large folios Baolin Wang
2026-03-06 6:43 ` [PATCH v3 5/6] mm: support batched checking of the young flag for MGLRU Baolin Wang
2026-03-06 14:44 ` David Hildenbrand (Arm)
2026-03-06 6:43 ` [PATCH v3 6/6] arm64: mm: implement the architecture-specific test_and_clear_young_ptes() Baolin Wang
2026-03-06 14:47 ` David Hildenbrand (Arm)
2026-03-07 1:28 ` Baolin Wang
2026-03-09 14:39 ` David Hildenbrand (Arm)
2026-03-10 2:51 ` Baolin Wang
2026-03-09 14:40 ` David Hildenbrand (Arm)
2026-03-06 23:20 ` [PATCH v3 0/6] support batched checking of the young flag for MGLRU Andrew Morton
2026-03-07 1:29 ` Baolin Wang [this message]
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