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From: Matthew Wilcox <willy@infradead.org>
To: Wenchao Hao <haowenchao22@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	David Hildenbrand <david@kernel.org>,
	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
	"Liam R . Howlett" <Liam.Howlett@oracle.com>,
	Vlastimil Babka <vbabka@suse.cz>, Mike Rapoport <rppt@kernel.org>,
	Suren Baghdasaryan <surenb@google.com>,
	Michal Hocko <mhocko@suse.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: Add AnonZero accounting for zero-filled anonymous pages
Date: Mon, 16 Feb 2026 17:03:58 +0000	[thread overview]
Message-ID: <aZNN_gdhEuqIOz10@casper.infradead.org> (raw)
In-Reply-To: <20260214084514.2842745-1-haowenchao22@gmail.com>

On Sat, Feb 14, 2026 at 04:45:14PM +0800, Wenchao Hao wrote:
> +		if (count_zero_page && pages_identical(page, ZERO_PAGE(0)))

Pretty sure you want memchr_inv() here?


  parent reply	other threads:[~2026-02-16 17:04 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-14  8:45 Wenchao Hao
2026-02-16 11:34 ` Kiryl Shutsemau
2026-02-16 11:45   ` David Hildenbrand (Arm)
2026-02-16 11:58     ` Kiryl Shutsemau
2026-02-16 12:19       ` David Hildenbrand (Arm)
2026-02-16 15:59       ` Wenchao Hao
2026-02-16 16:42         ` Michal Hocko
2026-02-16 16:56           ` David Hildenbrand (Arm)
2026-02-16 17:10             ` Michal Hocko
2026-02-16 17:17               ` David Hildenbrand (Arm)
2026-02-16 16:54         ` Kiryl Shutsemau
2026-02-16 17:01           ` Matthew Wilcox
2026-02-16 17:10             ` David Hildenbrand (Arm)
2026-02-16 17:18             ` Kiryl Shutsemau
2026-02-16 12:15 ` David Hildenbrand (Arm)
2026-02-16 15:10   ` Wenchao Hao
2026-02-16 15:18     ` David Hildenbrand (Arm)
2026-02-16 14:22 ` Matthew Wilcox
2026-02-16 15:55   ` Wenchao Hao
2026-02-16 17:03 ` Matthew Wilcox [this message]
2026-02-17 15:22 ` Wenchao Hao
2026-02-17 20:29   ` David Hildenbrand (Arm)
2026-02-17 21:53     ` Kiryl Shutsemau
2026-02-19  2:11       ` Wenchao Hao
2026-02-18  7:52   ` Michal Hocko
2026-02-19  2:47     ` Wenchao Hao

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