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Fri, 13 Jan 2023 11:02:41 -0800 (PST) Received: from google.com ([2620:15c:211:201:2e4e:fba:501b:3a8c]) by smtp.gmail.com with ESMTPSA id e26-20020aa7981a000000b00585cb0efebbsm3572849pfl.175.2023.01.13.11.02.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Jan 2023 11:02:40 -0800 (PST) Date: Fri, 13 Jan 2023 11:02:38 -0800 From: Minchan Kim To: Sergey Senozhatsky Cc: Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCHv2 4/4] zsmalloc: set default zspage chain size to 8 Message-ID: References: <20230109033838.2779902-1-senozhatsky@chromium.org> <20230109033838.2779902-5-senozhatsky@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230109033838.2779902-5-senozhatsky@chromium.org> X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 38CA61C0015 X-Rspam-User: X-Stat-Signature: hpjko5gzuxjrn5ieznwknzefuu4jkhmn X-HE-Tag: 1673636562-632282 X-HE-Meta: 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 wA+qmobN aEQ53PO1AJDqgZr+8HhBs0m+mjcSJfCdClYQNT+ClOGRgeybHOn3C2U+R9IBLZB0WeB0uAFWlfsL6AQrzazd9wQfScPzZ1Km/Mpnr8gmUXNXdHkGTNgItp+yjIpN4BLwkdVxm03uA2b3bh3FM/gr1Jv9xKe6nreB31/dAnq+P6i8tAvPZGU4+FCXTkk/KH06jLupOvb0Dpnn7PWBAv5ynKNPRgSXWnogApWJKfwB8nkhgMq4hN0hR+l79SKIoXP5g+Yh/1HPsicfB8JzFwpPQXchXc+k2Ft+5xPvpAq1WxCt6Skg= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000211, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Jan 09, 2023 at 12:38:38PM +0900, Sergey Senozhatsky wrote: > This changes key characteristics (pages per-zspage and objects > per-zspage) of a number of size classes which in results in > different pool configuration. With zspage chain size of 8 we > have more size clases clusters (123) and higher huge size class > watermark (3632 bytes). > > Please read zsmalloc documentation for more details. > > Signed-off-by: Sergey Senozhatsky Acked-by: Minchan Kim Thanks for great work, Sergey!