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[23.128.96.38]) by mx.google.com with ESMTPS id k23-20020aa79737000000b0068fdc320483si255570pfg.225.2023.09.18.12.11.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Sep 2023 12:11:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.38 as permitted sender) client-ip=23.128.96.38; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.38 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by fry.vger.email (Postfix) with ESMTP id F3F0C8021ED8; Mon, 18 Sep 2023 11:59:24 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at fry.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229934AbjIRS6z (ORCPT + 25 others); Mon, 18 Sep 2023 14:58:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57116 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229875AbjIRS6o (ORCPT ); Mon, 18 Sep 2023 14:58:44 -0400 Received: from 66-220-144-178.mail-mxout.facebook.com (66-220-144-178.mail-mxout.facebook.com [66.220.144.178]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 42050109 for ; Mon, 18 Sep 2023 11:58:38 -0700 (PDT) Received: by devbig1114.prn1.facebook.com (Postfix, from userid 425415) id 3D51DC25F82E; Mon, 18 Sep 2023 11:58:22 -0700 (PDT) From: Stefan Roesch To: kernel-team@fb.com Cc: shr@devkernel.io, akpm@linux-foundation.org, david@redhat.com, hannes@cmpxchg.org, riel@surriel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v2 4/4] mm/ksm: document pages_skipped sysfs knob Date: Mon, 18 Sep 2023 11:58:16 -0700 Message-Id: <20230918185816.1518366-5-shr@devkernel.io> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20230918185816.1518366-1-shr@devkernel.io> References: <20230918185816.1518366-1-shr@devkernel.io> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Mon, 18 Sep 2023 11:59:25 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1777403713467781106 X-GMAIL-MSGID: 1777403713467781106 This adds documentation for the new metric pages_skipped. Signed-off-by: Stefan Roesch Reviewed-by: David Hildenbrand --- 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