From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id BBCC3C38A2D for ; Mon, 24 Oct 2022 17:46:30 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 06083940008; Mon, 24 Oct 2022 13:46:30 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 010A2940007; Mon, 24 Oct 2022 13:46:29 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E1BA6940008; Mon, 24 Oct 2022 13:46:29 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id CE7E2940007 for ; Mon, 24 Oct 2022 13:46:29 -0400 (EDT) Received: from smtpin12.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 964FF1A0CFC for ; Mon, 24 Oct 2022 17:46:29 +0000 (UTC) X-FDA: 80056572498.12.88C35AE Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf16.hostedemail.com (Postfix) with ESMTP id 238AF180033 for ; Mon, 24 Oct 2022 17:46:28 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 2CCD2614FF; Mon, 24 Oct 2022 17:46:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E9C63C433B5; Mon, 24 Oct 2022 17:46:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666633587; bh=lV8oUGKGj7ZDIO/tmDfk1VdZPNBMnBKsnbsjH0pe+m4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MLsERA71D+0f1bI2hLFm02yZWXy7V4t4J5aBlCTtR7UBsixm3HQJ04xiUvdl+gWYW IR6ZBLnPq8d9XPQesG1OmXEH11O7o7Qi8vmRcuBUGVOExTPbnImg8uq0NYjIYW8SVC W1Lco5wuKDJg37THPKPkpDSBLdmcP+RyQoW0Fs2Q3rdyQwSdkeOhCAC3cN9Q2tT9Ls p4xuRqwCOdPp0jpN/i+04kihcUNFpWixl+ZB+apzgqC3Smw0s11nL6W4Z9Thki86f6 iFvzyNxQUxUv4vSy3cEK8xlyutYJfHWAN8qRHlzL6MkuXDyMsDrmR8K7kuvui/MBi0 TvZVSo1tvnB9A== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , Jonathan Corbet , damon@lists.linux.dev, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Vinicius Petrucci Subject: [PATCH 1/2] Docs/admin-guide/mm/damon/usage: describe the rules of sysfs region directories Date: Mon, 24 Oct 2022 17:46:18 +0000 Message-Id: <20221024174619.15600-2-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221024174619.15600-1-sj@kernel.org> References: <20221024174619.15600-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1666633589; a=rsa-sha256; cv=none; b=kx0rAIHyjteDi/QG05gvyV9Awqtf1EVD8WJLiNYjfpDMo5WfBgQY+xSWYREp5gMYsDwQPs VvsSXX/Jf2x4e/q4AYZXLrvIcpJgJBLIgGzgb/3fb5rgye0dv/P2I/iHR4E4Dn7qeTqhdk QtB6uXgbOxRSV3ivi2hp5dwWivKsrjU= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=MLsERA71; spf=pass (imf16.hostedemail.com: domain of sj@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=none) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1666633589; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=SCKyNRY/90uoyc/wHqrrQ5eRjpGflxMtHjvnMUiUkTo=; b=TjyuFAephzDO/0nPTfxgKcRhP1SV8P4D7QX9SapBqYe9ckEX+OQIL1nFkoLKaX5MnLUoos TwpZruifcqbuCOxhyA3iiC6GRUz7/vak/Lx4poLtbL1HuQP49WzQGEgLkE+7Ll/PrDBe0D gxWamS/oF3Jbf4Z8oOJvYb2C9fKIRZw= X-Rspam-User: X-Rspamd-Queue-Id: 238AF180033 Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=MLsERA71; spf=pass (imf16.hostedemail.com: domain of sj@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=none) header.from=kernel.org X-Stat-Signature: wasmzj8ueq1mf9s7bq7muf4akwio6fpt X-Rspamd-Server: rspam03 X-HE-Tag: 1666633588-142544 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Target region directories of DAMON sysfs interface should contain no overlap and sorted by the address, but not clearly documented. Actually, a user had an issue[1] due to the poor documentation. Add clear description of it on the usage document. [1] https://lore.kernel.org/damon/CAEZ6=UNUcH2BvJj++OrT=XQLdkidU79wmCO=tantSOB36pPNTg@mail.gmail.com/ Reported-by: Vinicius Petrucci Signed-off-by: SeongJae Park --- Documentation/admin-guide/mm/damon/usage.rst | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index b47b0cbbd491..89d9a4f75a29 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -235,6 +235,9 @@ In each region directory, you will find two files (``start`` and ``end``). You can set and get the start and end addresses of the initial monitoring target region by writing to and reading from the files, respectively. +Each region should not overlap with others. ``end`` of directory ``N`` should +be equal or smaller than ``start`` of directory ``N+1``. + contexts//schemes/ --------------------- -- 2.25.1