From: Ridong Chen <ridong.chen@linux.dev>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Kairui Song <kasong@tencent.com>, Qi Zheng <qi.zheng@linux.dev>,
Shakeel Butt <shakeel.butt@linux.dev>,
Barry Song <baohua@kernel.org>,
Axel Rasmussen <axelrasmussen@google.com>,
Yuanchu Xie <yuanchu@google.com>, Wei Xu <weixugc@google.com>,
David Hildenbrand <david@kernel.org>,
Michal Hocko <mhocko@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>,
Zhongkun He <hezhongkun.hzk@bytedance.com>,
Muchun Song <muchun.song@linux.dev>,
Davidlohr Bueso <dave@stgolabs.net>,
Roman Gushchin <roman.gushchin@linux.dev>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Ridong Chen <chenridong@xiaomi.com>
Subject: Re: [PATCH 0/3] mm/vmscan: fix swappiness=max and clean up per-node proactive reclaim
Date: Sat, 18 Jul 2026 17:34:59 +0800 [thread overview]
Message-ID: <68b3f507-ab35-4510-b3d7-0e4ff880bca7@linux.dev> (raw)
In-Reply-To: <20260717125327.cd3e3cc4e6cc28b0855e6502@linux-foundation.org>
On 7/18/2026 3:53 AM, Andrew Morton wrote:
> On Fri, 17 Jul 2026 19:32:57 +0800 Ridong <ridong.chen@linux.dev> wrote:
>
>> From: Ridong Chen <chenridong@xiaomi.com>
>>
>> Two fixes and one cleanup.
>>
>> Patch 1 fixes "swappiness=max": the anon-only test in get_scan_count()
>> sat after the "cannot reclaim anon" check, so when no anon was
>> reclaimable the request fell back to SCAN_FILE and evicted page cache
>> instead.
>>
>> Patch 2 fixes reclaim_store() collapsing every error into -EAGAIN, so
>> callers can no longer tell an invalid argument from a busy interface;
>> propagate the real error code, matching the memcg path.
>>
>> Patch 3 drops the now-unused gfp_mask parameter from __node_reclaim().
>
> Thanks. Sashiko want to know whether MGLRU should also be fixed:
> https://sashiko.dev/#/patchset/20260717113300.214717-1-ridong.chen@linux.dev
>
Yes, it should be fixed. I will add a patch to fix it.
--
Best regards,
Ridong
prev parent reply other threads:[~2026-07-18 9:35 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-17 11:32 [PATCH 0/3] mm/vmscan: fix swappiness=max and clean up per-node proactive reclaim Ridong
2026-07-17 11:32 ` [PATCH 1/3] mm/vmscan: fix anon-only reclaim evicting file pages when swappiness=max Ridong
2026-07-17 12:04 ` Johannes Weiner
2026-07-17 12:57 ` Muchun Song
2026-07-17 16:37 ` Shakeel Butt
2026-07-17 11:32 ` [PATCH 2/3] mm: vmscan: propagate real error code from per-node proactive reclaim Ridong
2026-07-17 12:16 ` Johannes Weiner
2026-07-17 13:00 ` Muchun Song
2026-07-17 16:38 ` Shakeel Butt
2026-07-17 11:33 ` [PATCH 3/3] mm: vmscan: drop unused gfp_mask parameter from __node_reclaim() Ridong
2026-07-17 12:17 ` Johannes Weiner
2026-07-17 13:02 ` Muchun Song
2026-07-17 16:39 ` Shakeel Butt
2026-07-17 19:53 ` [PATCH 0/3] mm/vmscan: fix swappiness=max and clean up per-node proactive reclaim Andrew Morton
2026-07-18 9:34 ` Ridong Chen [this message]
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