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Mon, 28 Oct 2024 09:35:11 -0700 (PDT) MIME-Version: 1.0 References: <20241027011959.9226-1-21cnbao@gmail.com> In-Reply-To: From: Nhat Pham Date: Mon, 28 Oct 2024 09:34:59 -0700 Message-ID: Subject: Re: [PATCH RFC] mm: count zeromap read and set for swapout and swapin To: Barry Song <21cnbao@gmail.com> Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Barry Song , Usama Arif , Chengming Zhou , Yosry Ahmed , Johannes Weiner , David Hildenbrand , Hugh Dickins , Matthew Wilcox , Shakeel Butt , Andi Kleen , Baolin Wang , Chris Li , "Huang, Ying" , Kairui Song , Ryan Roberts Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Stat-Signature: p85ofzghbaxfebubqa4bbgncojanx96z X-Rspamd-Queue-Id: EC36520017 X-Rspamd-Server: rspam11 X-HE-Tag: 1730133302-585815 X-HE-Meta: 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 rmD/oLwk H90zMon/NQwf0/Pi2LgR4BDw5+r09s5F6FQGY1Y0usHcZLBK0d2HU/4Cb0RgVo77gPteKWuWsUKsUAsnTTS19cMGQIxMkHK7yHgLmnmIKD4jbBxzTbFepbW/2i4qx39e0kbpuEdvQGdih/GMBaO76DX/of0R080ODB6wsv5EOaFpfMOrN7J4Lxk4Ura9co17YIXVPZRw6MkEePKADYHZhIcF6wH0QS9xFP8W4u1qN6O07xDrfqxjBir5LEyJVpOI6wrge8f7jEeOhct8GZvjnZoBLr0SHBaUqQ6G11mlWYKw+3gXiZlSEZ17+rAxcwptKVefN8sC5siQYdobeLD5FPyocxg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000244, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sun, Oct 27, 2024 at 7:32=E2=80=AFPM Barry Song <21cnbao@gmail.com> wrot= e: > > > agree it is better to have a separate counter for zeromap. > then it raises a question: what is the proper name for it :-) > > zeromap_swpin, zeromap_swpout seems too long? and zswpin > and zswpout have been used by zswap Hmmmmm. How about zeroswpin? zeroswpout? zeromap_swpin and zeromap_swpout is not the end of the world, FWIW :)