From: sashiko-bot@kernel.org
To: "Zi Yan" <ziy@nvidia.com>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: [PATCH v3 02/14] perf/ring_buffer: stop using PG_private as AUX page high-order marker
Date: Tue, 08 Sep 2026 03:07:31 +0000 [thread overview]
Message-ID: <20260908030731.CB8301F00A3A@smtp.kernel.org> (raw)
In-Reply-To: <20260907-remove-pg_private-v3-2-6ae22f9d9272@nvidia.com>
> A high-order AUX page sets PG_private on its first page and stores the
> order in first_page->private. Stop using PG_private and check
> first_page->private for AUX page order only in the ring buffer and its
> users. This is fine because page->private is 0 for order-0 AUX pages,
> matching the page order.
>
> It prepares for a future commit that remove PG_private.
>
> No functional change intended.
>
> Assisted-by: Claude:claude-opus-4-8
> Assisted-by: Codex:gpt-5
> To: Peter Zijlstra <peterz@infradead.org>
> To: Ingo Molnar <mingo@redhat.com>
> To: Arnaldo Carvalho de Melo <acme@kernel.org>
> [ ... ]
> Cc: "H. Peter Anvin" <hpa@zytor.com>
> Cc: linux-perf-users@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Acked-by: Usama Arif <usama.arif@linux.dev>
> Signed-off-by: Zi Yan <ziy@nvidia.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260907-remove-pg_private-v3-0-6ae22f9d9272@nvidia.com?part=2
next prev parent reply other threads:[~2026-09-08 3:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-08 2:56 [PATCH v3 00/14] Remove PG_private by using page/folio->private checks instead Zi Yan
2026-09-08 2:56 ` [PATCH v3 02/14] perf/ring_buffer: stop using PG_private as AUX page high-order marker Zi Yan
2026-09-08 3:07 ` sashiko-bot [this message]
2026-09-08 15:09 ` David Hildenbrand (Arm)
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