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Fri, 13 Nov 2026 18:35:18 -0800 (PST) Received: from google.com ([2a00:79e0:2031:6:d97f:ef68:a8e1:6af5]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-379558231eesm11080880eec.12.2026.11.13.18.35.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Nov 2026 18:35:17 -0800 (PST) Date: Sat, 14 Nov 2026 11:35:11 +0900 From: Sergey Senozhatsky To: Xueyuan Chen Cc: Sergey Senozhatsky , Minchan Kim , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jonathan Corbet , Shuah Khan , Randy Dunlap , Alex Shi , Yanteng Si , Dongliang Mu , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Helen Koike , Vignesh Raman , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, dri-devel@lists.freedesktop.org, Nhat Pham Subject: Re: [PATCH v3] mm/zsmalloc: remove CONFIG_ZSMALLOC_STAT Message-ID: References: <20261111-zsmalloc_stat-v3-1-2d85ed51570e@gmail.com> <179457128804.2142163.14813125534208665209.b4-reply@b4> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <179457128804.2142163.14813125534208665209.b4-reply@b4> X-Stat-Signature: 1gpbuk3mfebxwm5gysn77i1w83czjgpf X-Rspam-User: X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: ED9C0A0005 X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-HE-Tag: 1794623719-609934 X-HE-Meta: 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 viDpIyRE VD8nZYkTGad5Bcs7+efnyJoObrrxa47z2J7i1Hz3o/4jY7G5nEo4ZE+S1MAadfFMxweB56KNIh2p2X0Tv5ZCg1RFYkxoJijgAsSRsN12ZiKdCFbNirZnthswEVF/tECXT4Tm4uPnTgKBvOc7hsgOqRSzU7+p5Qc7DZ5Q3BGOGgNV+1P469lt/Og5aPIjV3V2TxWr6BBD8V3mzx0Kprsrbbd2lSys2BYrcGrvXDC/8d+UdkSqGr+X32QDFnRdszukoCz2n0/de5lBVzFl9ld5nt9LPWzL3DeJCtEY3MGcyNx2u1Ds1jSFeLrJQxoto9cqDhDNuAM7eAlk2ReKHiKjXzQazrk+8iEoG6GrjQOYDbtO4mxXxSn3Z4HLhqDzQ4AngpJtKV33ns2SaGR4Bq8fgbVNhPY42mFhAGKEpOEZKQUMVckvt2G7MuKS07zsnJjayA23qZVpBu2JoozPa/Em0NSyHNwhN+tlyn/cl Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On (26/11/13 20:01), Xueyuan Chen wrote: [..] > On 2026-11-13 11:19 +0900, Sergey Senozhatsky wrote: > > On (26/11/11 20:41), Xueyuan Chen wrote: > > [..] > > > diff --git a/Documentation/mm/zsmalloc.rst b/Documentation/mm/zsmalloc.rst > > > index d2bbecd78e14..4c0786378dc3 100644 > > > --- a/Documentation/mm/zsmalloc.rst > > > +++ b/Documentation/mm/zsmalloc.rst > > > @@ -33,8 +33,8 @@ proper handle-based APIs. > > > stat > > > ==== > > > > > > -With CONFIG_ZSMALLOC_STAT, we could see zsmalloc internal information via > > > -``/sys/kernel/debug/zsmalloc/``. Here is a sample of stat output:: > > > +With CONFIG_DEBUG_FS, we could see zsmalloc internal information via > > > +``/sys/kernel/debug/zsmalloc/``. Here is a sample of stat output:: > > > > While we are at it, > > We use zramX throughout Documentation/admin-guide/blockdev/zram.rst > > and in some other files as well. So let's just replace user/pool name > > with > > > > /sys/kernel/debug/zsmalloc/zramX/classes > Zswap has its own zsmalloc pool too. How about this? > > /sys/kernel/debug/zsmalloc/{zramX,zswapX}/classes Ahh... zswap. Good point. OK, feel free to keep it as is or to use zramX/zswapX. Up to you.