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[2003:cb:c74b:3400:ec51:7a3a:274e:cbee]) by smtp.gmail.com with ESMTPSA id n7-20020a7bcbc7000000b003fef3180e7asm15029850wmi.44.2023.09.18.04.28.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 18 Sep 2023 04:28:58 -0700 (PDT) Message-ID: Date: Mon, 18 Sep 2023 13:28:57 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH v1 4/4] mm/ksm: document pages_skipped sysfs knob To: Stefan Roesch , kernel-team@fb.com Cc: akpm@linux-foundation.org, hannes@cmpxchg.org, riel@surriel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20230912175228.952039-1-shr@devkernel.io> <20230912175228.952039-5-shr@devkernel.io> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20230912175228.952039-5-shr@devkernel.io> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Stat-Signature: j1wyekfo6zyajkagrk97nz1xcbdh6mm6 X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 58ECCA001C X-HE-Tag: 1695036542-505646 X-HE-Meta: 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 OYMYfWLs FLsz0w0akLpIxiCvZpiwcwXYkdNC6Ybt6AEEFLJXPs/V2/jvIlEDdzMvV7zBY04kVncQ3AgIaUnkpZ1Xoflx43HP2fqImD0v9+Lv2k6BUxA6Hl57wrCCaV7P3gydqNIXA3Es/zNIQ6FI3P4/w+gWoMHxyQFbhRtjFo1phEBLRjII3pS2n+jV/eB3pAJSk1Nx5Ws7cOur/GCsV9GvBMr33IfEn2A7mFoJE7MHjbJxjoPFCUDWt8tv5OGtVyVRe1OA9FwRNpsVuP+RhsJm3y5hWd/X/n/wuP2qE/h2GWklTQqv5Z7mEzWMmOO0qkF9u/WjeXSGkMK01i0K2gsB6q+jO2I/g83a6Tuf15kSDOLv1vzATwJZDphSJmIsI8vQ0Jm1LeYM+juVqh9szD3fZKS0J6S/bC7Fd/zNpV/im1RXlxZmBFMNnbIn0ZWN66Egseb1zBOdP5SpQhywiTVw= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000006, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 12.09.23 19:52, Stefan Roesch wrote: > This adds documentation for the new metric pages_skipped. > > Signed-off-by: Stefan Roesch > --- > Documentation/admin-guide/mm/ksm.rst | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/admin-guide/mm/ksm.rst b/Documentation/admin-guide/mm/ksm.rst > index 1762219baf51..27d949250b67 100644 > --- a/Documentation/admin-guide/mm/ksm.rst > +++ b/Documentation/admin-guide/mm/ksm.rst > @@ -178,6 +178,8 @@ pages_unshared > how many pages unique but repeatedly checked for merging > pages_volatile > how many pages changing too fast to be placed in a tree > +pages_skipped > + how many pages did the "smart" page scanning algorithm skip > full_scans > how many times all mergeable areas have been scanned > stable_node_chains Reviewed-by: David Hildenbrand -- Cheers, David / dhildenb