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 BB551CD4F3D for ; Fri, 15 May 2026 00:45:32 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D22B66B00A7; Thu, 14 May 2026 20:44:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CD33D6B00AA; Thu, 14 May 2026 20:44:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B9B866B00A8; Thu, 14 May 2026 20:44:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id A67026B00A6 for ; Thu, 14 May 2026 20:44:58 -0400 (EDT) Received: from smtpin14.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 788E21C0652 for ; Fri, 15 May 2026 00:44:58 +0000 (UTC) X-FDA: 84767809476.14.C191445 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf17.hostedemail.com (Postfix) with ESMTP id CB3A74000A for ; Fri, 15 May 2026 00:44:56 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=hC3oQj9n; spf=pass (imf17.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1778805896; 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=7hSyA8EV6dnChvqvaSTsFx1oRiXoiHP8X6qrzdttYAU=; b=QveJVQsZUG+XwkX/+XKr7bp1Q9pQ4YnOZJiZxM+9W+XZKG/oVXYqancgf08l4mdESgPQf0 xj4/l2Go3yBlmmDw2ziAuaf6YU4isEcuTD9G38RjDq3iS5oLd6n7BjZpdO2T764rbmRuPQ UGNgmwq6IL670nvPka30xOry8KVHeT0= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=hC3oQj9n; spf=pass (imf17.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1778805896; a=rsa-sha256; cv=none; b=Msz6LRc+tr2WQwkFQ9liL7lVTyr6B6+VyAdUohQ0YYN2ZfRgFGmPqEqMiirzwQAbJ8mmAS HY1Q7imYqliOz1ozLRt6TSEzVM5wKTtOz82s1vhp8qN+bXMoZwiIrg/F/Fy354BaPa+XQr r6/9vmwCO1ha3au+seQjVE9ppVhEsrk= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 91D3C403F5; Fri, 15 May 2026 00:44:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 48694C2BCF5; Fri, 15 May 2026 00:44:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778805896; bh=sbbC6q3YAKtgRh2ZitI4ryLVhWoQrxzmSYGFabzMLLQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hC3oQj9nucKnuU+6YJy3FkwES2Ekotc861SToqurZQRNAQQEbK6C3g1dhrnogi2ti unmbMOARtbZ6ZlrXPLu2EKdub0j5eeEYW+DsKOJMsu5s7envDrRkuArN/RLDd6joh9 v01FtwbwpUzCTCmyjW2Iv9JUvxmMu267nzcmwdeWszB0bZMQlOlWqPZDHcWOQKcqH5 6oxzv1Vl6E0TEjoms1r7mKIyargGkWYnv4RDAEQDPnNLABvnNw15DrMzrTZnPW6Rx4 tP0n4VmK4oiNY+tz5temFkHwYoI0pmAXjNipkBzlHb4AsShDfyQrTaiwqVOSWvK7qV 8pCswqSlx9a8Q== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v2.2 22/28] mm/damon/core: introduce DAMON_FILTER_TYPE_MEMCG Date: Thu, 14 May 2026 17:44:23 -0700 Message-ID: <20260515004433.128933-23-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260515004433.128933-1-sj@kernel.org> References: <20260515004433.128933-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: CB3A74000A X-Rspam-User: X-Stat-Signature: c3xcax9p6iy4z4fk5gfy64ryeyg4g3bp X-HE-Tag: 1778805896-757724 X-HE-Meta: U2FsdGVkX1+/EiOvmmBYXMUDuKsR+aiCTc5GHh2R6yuq8qDwWyGXRdpcJLRbPScnIrTI+KmdObt0NBEpfDcqil0BYoDW5iQEN22nt3TUXIhNo4PN5wW9x+E1Xp8cQbrBC6ZslHREY1bI8nNoV/0Ycc+9Y0uBQA0tXdp9OTnZrOruG1djiyRuqrt0ZtpbF5OMjzL6Q1d2VqmdPrrlrloB9LisKqEDnQDAxQ0ccjQtATUHowvnNwyjXwmzMtDXkuiqm4WaEM/IYO8bWIapQVCafgKuxL1nLg+KpIsJfJJRXn1T0dGfp0atQAqGD8WHADmO2J/8Q5AnTV9NQFa/s5p6akckoXrg9u8roZbrBqK8OVVfSQDrwAGBSo/ZMH9EdJtbz7ndsuc3OzkOjFtS3aM1z/GAHdiSYsozSI/GrAkcFLt5vXiiG1yI84CqXMs2HFQttmAGyKrXQ35P19pk0IxV4CqHOZlPnGZkjS4YiFZfQPPj1BO0OZbbImFciNa04TeCINdjW93RJSu7Bh6wfocbjIit4lNTD9ERQvf6ksoGksgz2ICIlh1j+/ix67HbuTaJZfBjp4qbuyFnOHgdjJn0lzM8wj1iS8HJNMb8LDTkXgLRPw+tUtj7nHDXrMWjewmeGVxJrlbOUoZAuZdBpkpe+Rz28HFwpTWHoPMU0HFHusIOixOx0Nj1dpdWkU+jIKeHZc9uaz4Q8RFOZq4BErdyLXC8tZ0ueh9tPyEqz5WYZLwRbLpcS0Fd/yneiBIFTtTBF+5hLBFvxPxCFLqKMMGUscNnqJqePIvCc38kTD+Z0isyK27Md+R+cfXq9jazdDcJsKC91LWBHIGVtWua/EJ5qL6qAUv9+aWVPn+1QbCKNU40x1qsah7thosKEbGaPxg+RaH7VOW+/H8ON9o7GENHbCG9THJ2xUB2xqJIpCMo2u/0kAng2MHOIS+oqDTfZxdzET5v7q1paGRSzB68nrx 6ftXFxmY MmH/xLIYdQy5bKI6Ghm/0Trjwz08gwz7+qd91fH9I6TZfd09slwAunMuy/DhGd2J6n74xKv1qmgwG+bJd904g+H+mIzo1MvZ+nghuKiKdXpvNozAu+lHkvdHoeFSqlo6UNgWQmUDcbHdeaLve+wKAzAZYj9zBVTZL3RQqbV50jMDK6+nkSBXuQY8lxrpGjEhmt1u1ypkGc3Xf8uWWetykLqZ2m4x8v+4oFGRjwkIDbLw70E/ayPeGEkbgDg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Belonging memory cgoup is another data attribute that can be useful to monitor. Introduce a new DAMON filter type, namely DAMON_FILTER_TYPE_MEMCG, for monitoring of this attribute. Signed-off-by: SeongJae Park --- include/linux/damon.h | 6 ++++++ mm/damon/core.c | 7 +++++++ 2 files changed, 13 insertions(+) diff --git a/include/linux/damon.h b/include/linux/damon.h index 36a1162b6185a..c3ecb35da6404 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -731,9 +731,11 @@ struct damon_intervals_goal { * enum damon_filter_type - Type of &struct damon_filter * * @DAMON_FILTER_TYPE_ANON: Anonymous pages. + * @DAMON_FILTER_TYPE_MEMCG: Specific memcg's pages. */ enum damon_filter_type { DAMON_FILTER_TYPE_ANON, + DAMON_FILTER_TYPE_MEMCG, }; /** @@ -742,12 +744,16 @@ enum damon_filter_type { * @type: Type of the region. * @matcing: Whether this filter is for the type-matching ones. * @allow: Whether the @type-@matching ones should pass this filter. + * @memcg_id: Memcg id of the question if @type is DAMON_FILTER_MEMCG. * @list: Siblings list. */ struct damon_filter { enum damon_filter_type type; bool matching; bool allow; + union { + u64 memcg_id; + }; struct list_head list; }; diff --git a/mm/damon/core.c b/mm/damon/core.c index ab8ac9ec8450d..2d4a63dcc47fe 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1422,6 +1422,13 @@ static void damon_commit_filter(struct damon_filter *dst, dst->type = src->type; dst->matching = src->matching; dst->allow = src->allow; + switch (dst->type) { + case DAMON_FILTER_TYPE_MEMCG: + dst->memcg_id = src->memcg_id; + break; + default: + break; + } } static int damon_commit_filters(struct damon_probe *dst, -- 2.47.3