From: Johannes Weiner <hannes@cmpxchg.org>
To: Hugh Dickins <hughd@google.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>,
Andrew Morton <akpm@linux-foundation.org>,
Shakeel Butt <shakeel.butt@linux.dev>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Michal Hocko <mhocko@kernel.org>,
David Hildenbrand <david@redhat.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: skip lru_note_cost() when scanning only file or anon
Date: Mon, 14 Jul 2025 11:25:43 -0400 [thread overview]
Message-ID: <20250714152543.GC991@cmpxchg.org> (raw)
In-Reply-To: <21100102-51b6-79d5-03db-1bb7f97fa94c@google.com>
On Sun, Jul 13, 2025 at 12:57:18PM -0700, Hugh Dickins wrote:
> [PATCH] mm: lru_note_cost_unlock_irq()
>
> Dropping a lock, just to demand it again for an afterthought, cannot be
> good if contended: convert lru_note_cost() to lru_note_cost_unlock_irq().
>
> Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
next prev parent reply other threads:[~2025-07-14 15:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-11 15:50 [PATCH] mm: skip lru_note_cost() when scanning only file or anon Roman Gushchin
2025-07-11 17:20 ` Johannes Weiner
2025-07-11 17:55 ` Roman Gushchin
2025-07-14 15:22 ` Johannes Weiner
2025-07-14 16:21 ` Roman Gushchin
2025-07-11 18:18 ` Roman Gushchin
2025-07-13 19:57 ` Hugh Dickins
2025-07-14 15:25 ` Johannes Weiner [this message]
2025-07-14 17:59 ` Roman Gushchin
2025-07-14 20:28 ` Shakeel Butt
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