From nobody Sat Oct 4 22:39:29 2025 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) (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 245311E9919 for ; Wed, 13 Aug 2025 03:52:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.187 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755057158; cv=none; b=iElTZi0YwxmDpTv52uTXJ2cMaBtl8L/BAZuv/SYGoFCVp4bxXuGw2rgFWfWPcfxTqDE16ZoTj98BnA/tSa9uSW679joX+g3m/YAB0GaeCXBA0rQRjfvWU7mtNBI9dxMTYRCJSOiyBPUTYqKtiwYJqn8z71KGvU6jMacP0/21GMs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755057158; c=relaxed/simple; bh=YyfkuuZ1Ujm+PMhnwJcHFUQkjzkuSC17Isp2jorE/mk=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=uzvsORLNcuDWaExZlonUvHI3qudcPS8SUthpFKqv5OwCHVUAch/j/zQ149LNLjo6K9MbC6Q/BXgL+8uAUokvwUrPjgPvWyLkn5T9AwQt/zObRMf99SpX2QhqeYrnFDmkEk9OYV5nPbhoGT6szxCoYVGayWauKyArmhgtq84Dr7s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.187 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.88.105]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4c1vTK4X9Vz14MRH; Wed, 13 Aug 2025 11:47:33 +0800 (CST) Received: from dggpemf200018.china.huawei.com (unknown [7.185.36.31]) by mail.maildlp.com (Postfix) with ESMTPS id E88C3140202; Wed, 13 Aug 2025 11:52:32 +0800 (CST) Received: from huawei.com (10.175.113.32) by dggpemf200018.china.huawei.com (7.185.36.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Wed, 13 Aug 2025 11:52:32 +0800 From: Quanmin Yan To: CC: , , , , , , Subject: [RFC PATCH -next 05/16] mm/damon/paddr: support addr_unit for MIGRATE_{HOT,COLD} Date: Wed, 13 Aug 2025 13:06:55 +0800 Message-ID: <20250813050706.1564229-6-yanquanmin1@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250813050706.1564229-1-yanquanmin1@huawei.com> References: <20250813050706.1564229-1-yanquanmin1@huawei.com> 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 X-ClientProxiedBy: kwepems100002.china.huawei.com (7.221.188.206) To dggpemf200018.china.huawei.com (7.185.36.31) Content-Type: text/plain; charset="utf-8" From: SeongJae Park Add support of addr_unit for DAMOS_MIGRATE_HOT and DAMOS_MIGRATE_COLD action handling from the DAMOS operation implementation for the physical address space. Signed-off-by: SeongJae Park --- mm/damon/paddr.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index b8a7f462967b..76e1ee82b441 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -245,15 +245,17 @@ static unsigned long damon_pa_deactivate_pages(struct= damon_region *r, sz_filter_passed); } =20 -static unsigned long damon_pa_migrate(struct damon_region *r, struct damos= *s, +static unsigned long damon_pa_migrate(struct damon_region *r, + unsigned long addr_unit, struct damos *s, unsigned long *sz_filter_passed) { - unsigned long addr, applied; + phys_addr_t addr; + unsigned long applied; LIST_HEAD(folio_list); struct folio *folio; =20 - addr =3D r->ar.start; - while (addr < r->ar.end) { + addr =3D damon_pa_phys_addr(r->ar.start, addr_unit); + while (addr < damon_pa_phys_addr(r->ar.end, addr_unit)) { folio =3D damon_get_folio(PHYS_PFN(addr)); if (damon_pa_invalid_damos_folio(folio, s)) { addr +=3D PAGE_SIZE; @@ -330,7 +332,7 @@ static unsigned long damon_pa_apply_scheme(struct damon= _ctx *ctx, sz_filter_passed); case DAMOS_MIGRATE_HOT: case DAMOS_MIGRATE_COLD: - return damon_pa_migrate(r, scheme, sz_filter_passed); + return damon_pa_migrate(r, aunit, scheme, sz_filter_passed); case DAMOS_STAT: return damon_pa_stat(r, scheme, sz_filter_passed); default: --=20 2.34.1