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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 19A97C44501 for ; Tue, 14 Jul 2026 14:36:26 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 611536B00DB; Tue, 14 Jul 2026 10:36:01 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5B9246B00DC; Tue, 14 Jul 2026 10:36:01 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4CFBA6B00E0; Tue, 14 Jul 2026 10:36:01 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 1DE306B00DC for ; Tue, 14 Jul 2026 10:36:01 -0400 (EDT) Received: from smtpin06.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 6F84814039A for ; Tue, 14 Jul 2026 14:36:00 +0000 (UTC) X-FDA: 84987631680.06.9980CBD Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf17.hostedemail.com (Postfix) with ESMTP id CF52A4000F for ; Tue, 14 Jul 2026 14:35:58 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=kPizrGqx; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf17.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1784039758; 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=UrQWXD0bifnsUsYgqcN+mYTdFMuNVs+95dSBQVBP0NI=; b=UA8MTmd9VkIziFkUXgIMPDvCMiXGa741psjci7zUbdtkjS5cci8838zNiN3uveNAAUFhUY i/bRSaZRLgYRWOoEQuRZNgv9vCwZx7fVUXfWTruTMwqcrVxElcOZDsbIzpjEnd6Qn97JI4 LtkdHmtxKDIG/RKYue+A/R3+BTnU4IM= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=kPizrGqx; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf17.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1784039758; b=Gv3WJYkD05L6esFZQXjI+GRhNjRgSe/90KzP0sFKRVT61joiv5ZpIUghhIZouges9JdPa8 9rsZAfL7P/FCneWOUZq9LVsM1RTw+UFZNjHcb/vUaaXtB8KvtZIW4/Zvrl8kS6TfdWesTl YvAd5qvGDz9pX+C/g+rt5lCGeIkySRw= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 2761243793; Tue, 14 Jul 2026 14:35:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7B1E1F00A3E; Tue, 14 Jul 2026 14:35:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784039758; bh=UrQWXD0bifnsUsYgqcN+mYTdFMuNVs+95dSBQVBP0NI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=kPizrGqxSPrlQ0S99osZ0phDKd36Guwa0fDDzPkVnkKOq5VFh9VVdj3eS2argD0oy +HDpzY5VSllxbPjICaKzm4WWEzlTu5/QxfV0QG1hnCWCFWHyoadn76/HbrC5s2/I9D Ad6sZD4r9FKuklLhwdufn+NrESCE8OIIoqVjedHYsqR9kZQ7spqdA6Ursp7acIK6Ng BCz7tgC1cC8eWw/16pFxoRjs3FaEb7OlRxbS6xhH5j+b984ShtOdYUaX3sbY3eAdbj ECAV6F/sA2d0PDRDH1fR//7+2qCm9gZIOgfkZCe9vZxbX16nrGuXIVqigkjoSzVmOg caL2SuWnLe3UA== From: SJ Park To: Andrew Morton Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 09/10] mm/damon/sysfs: do not directly access damon_ctx->ops Date: Tue, 14 Jul 2026 07:35:42 -0700 Message-ID: <20260714143544.101305-10-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260714143544.101305-1-sj@kernel.org> References: <20260714143544.101305-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: 8b5tptgcnmsx91ry3xjz3997othkmzsp X-Rspamd-Queue-Id: CF52A4000F X-Rspamd-Server: rspam01 X-Rspam-User: X-HE-Tag: 1784039758-778081 X-HE-Meta: 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 W7LDqw4C egayVtlfAgkfs3Oc9/CHzsa3VejXc7nCytjjQIWbqVGsfexrgQfe/yuHXHGQIAXgmzL7CEoSRNWHM84bPV9pgOHGp0fygWvQB2r7gcFgz4Kgtd624jO+bezdVJs4p0lnLBPTcZbUXLc+BSnvA9RQAqKy3KXlJQX0qA+zui6arpTiTA460oSAC7dF2oA4j9rNiQODEoZ/fYdFeWaZNrOsFzJZXcs1xrSZ8oUb08+9Mt8Q9ur659RfZ5xxa2MZoUDz+wEi9wTcmvly8FUB47jOVFVicUw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: damon_ctx->ops field is intended to be used by only the DAMON core layer. DAMON_SYSFS is directly reading the field to find if it is for physical address monitoring, though. Use the API function for the purpose, damon_target_has_pid(), instead. Signed-off-by: SJ Park --- mm/damon/sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 60a1a9e4ada34..228ceb4df5f97 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -2051,7 +2051,7 @@ static int damon_sysfs_add_targets(struct damon_ctx *ctx, int i, err; /* Multiple physical address space monitoring targets makes no sense */ - if (ctx->ops.id == DAMON_OPS_PADDR && sysfs_targets->nr > 1) + if (!damon_target_has_pid(ctx) && sysfs_targets->nr > 1) return -EINVAL; for (i = 0; i < sysfs_targets->nr; i++) { -- 2.47.3