From nobody Wed Dec 17 01:07:38 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 24039264F94; Thu, 20 Feb 2025 19:35:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740080120; cv=none; b=j6/srB5HwHuojuYC1M/q1FhzituSvzX8tSzz8Hz4PCs2fyJMPpqHePQK7ycf1KebakqX2WOVK7kVlB/2X5hCRaXosSRh6OkMu9pltpH/t4GxNIgejH0D6QCfhVK9N2ZlmQdz/RbALLTf8lI3/7fF+/tv5thQikfTU+KwMcCEs84= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740080120; c=relaxed/simple; bh=unOKD6NYD7kObbIq6Phkmd4weQFW6UAeoYB9fTWAe20=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=EdbXeAnceROLzNV3L1/PZqcQuZPQn2Ao+lqMxtZ+SEe8o8FhCnkiGCzMrtdmFx4pIq3o1QI/0+avHuTyCwAiwfbkWkrQubg0jpYzIcHHMSbymYYNP+CtD4nnoqcKH+c2alpgNRYyw8Nr5INbVQEnusgtnzI5LmZkHz+eYgO25mo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZeDHtsFn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZeDHtsFn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C1C94C4CEED; Thu, 20 Feb 2025 19:35:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740080119; bh=unOKD6NYD7kObbIq6Phkmd4weQFW6UAeoYB9fTWAe20=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZeDHtsFngTR52TeMYoctmWNGqUoOWb0eIchFcx9LTiy6jhaPyB5cJhHIC8vL7qb1x dlO+ObLrleiDNl12SajbdA4sZ56fk0htLHAQb0i/C8A1SpCAc2dCWyHZMYIZmn2N3s p7Hvi9HGoSuAFamlBBRbIU+4UH+kRQszxOt2V2A24pzEsDzkP/lr3zozhXDYdFdYsC F4G9FzjdYzNf76y9VlhOg71YZ0OtJa1hc7xLW/5Yj52aRZxLJFqeHOw+5I4beOFmrb Y0ZOeg5yVkhTgzCBUKQAxD67NNg4tpCwhL2b0Z7+za2z8VfEGoUNpNZZ8Tsfpy8amX xVYqW8nLpemPg== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , damon@lists.linux.dev, kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 5/9] mm/damon/paddr: support only ops_filters Date: Thu, 20 Feb 2025 11:35:05 -0800 Message-Id: <20250220193509.36379-6-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250220193509.36379-1-sj@kernel.org> References: <20250220193509.36379-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" DAMON physical address space operation set implementation (paddr) has updated to support both ->filters and ->ops_filters to avoid breakage during change for the ->ops_filters setup. Now the change is done, so paddr can safely drop support of ->filters. The support is only waste of the time. Remove it. Signed-off-by: SeongJae Park --- mm/damon/paddr.c | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 3e651308ba5d..432ea4efdc4b 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -253,10 +253,6 @@ static bool damos_pa_filter_out(struct damos *scheme, = struct folio *folio) { struct damos_filter *filter; =20 - damos_for_each_filter(filter, scheme) { - if (damos_pa_filter_match(filter, folio)) - return !filter->allow; - } damos_for_each_ops_filter(filter, scheme) { if (damos_pa_filter_match(filter, folio)) return !filter->allow; @@ -285,12 +281,6 @@ static unsigned long damon_pa_pageout(struct damon_reg= ion *r, struct damos *s, struct folio *folio; =20 /* check access in page level again by default */ - damos_for_each_filter(filter, s) { - if (filter->type =3D=3D DAMOS_FILTER_TYPE_YOUNG) { - install_young_filter =3D false; - break; - } - } damos_for_each_ops_filter(filter, s) { if (filter->type =3D=3D DAMOS_FILTER_TYPE_YOUNG) { install_young_filter =3D false; @@ -543,8 +533,6 @@ static bool damon_pa_scheme_has_filter(struct damos *s) { struct damos_filter *f; =20 - damos_for_each_filter(f, s) - return true; damos_for_each_ops_filter(f, s) return true; return false; --=20 2.39.5