From nobody Sat Oct 4 22:39:31 2025 Received: from szxga05-in.huawei.com (szxga05-in.huawei.com [45.249.212.191]) (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 973C72BE04C for ; Wed, 13 Aug 2025 03:52:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.191 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755057160; cv=none; b=HyTSBoWkiTMPqtVxuWhjoaTc3Di+CrX5gCerows21vNPZ5LoLTRJcFS2mBPcp9TXg5TnLVQ5aFdo2uMZnE177UEYkIoxdabVpCd68uWq02VkxAWpFOJdzVOjhCQsOFkLF4N4MabLbKKFJxZsBVGjl23UFvteMjtAA0rRwitslXw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755057160; c=relaxed/simple; bh=PWVx+knEVZztwvnexj6um5NDbk2aVK8/y7TEP3wE+WE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=PjABPm2srivDEQhdxywMP4U+AywvX/KrIq8cRkfWl8v5MkmzCv1sFYAYIVd5yKWbeBi0Mi51oZovFzSwBdoimhJVl3AjpBRFh8pgNRPIBdqqkQwdahHeb2wVrAsm8W+yVK/PyYchHRdOfHq+XBcHKNhw1lNedsePzb4KYanWO5s= 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=45.249.212.191 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 [172.19.88.163]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4c1vWn3kzRz1R90f; Wed, 13 Aug 2025 11:49:41 +0800 (CST) Received: from dggpemf200018.china.huawei.com (unknown [7.185.36.31]) by mail.maildlp.com (Postfix) with ESMTPS id 5EB98180044; Wed, 13 Aug 2025 11:52:31 +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 11:52:30 +0800 From: Quanmin Yan To: CC: , , , , , , Subject: [RFC PATCH -next 03/16] mm/damon/paddr: support addr_unit for DAMOS_PAGEOUT Date: Wed, 13 Aug 2025 13:06:53 +0800 Message-ID: <20250813050706.1564229-4-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_PAGEOUT action handling from the DAMOS operation implementation for the physical address space. Signed-off-by: SeongJae Park --- mm/damon/paddr.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 345a0ae63b19..b548813a0472 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -135,10 +135,12 @@ static bool damon_pa_invalid_damos_folio(struct folio= *folio, struct damos *s) return false; } =20 -static unsigned long damon_pa_pageout(struct damon_region *r, struct damos= *s, +static unsigned long damon_pa_pageout(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); bool install_young_filter =3D true; struct damos_filter *filter; @@ -159,8 +161,8 @@ static unsigned long damon_pa_pageout(struct damon_regi= on *r, struct damos *s, damos_add_filter(s, filter); } =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; @@ -311,9 +313,11 @@ static unsigned long damon_pa_apply_scheme(struct damo= n_ctx *ctx, struct damon_target *t, struct damon_region *r, struct damos *scheme, unsigned long *sz_filter_passed) { + unsigned long aunit =3D ctx->addr_unit; + switch (scheme->action) { case DAMOS_PAGEOUT: - return damon_pa_pageout(r, scheme, sz_filter_passed); + return damon_pa_pageout(r, aunit, scheme, sz_filter_passed); case DAMOS_LRU_PRIO: return damon_pa_mark_accessed(r, scheme, sz_filter_passed); case DAMOS_LRU_DEPRIO: --=20 2.34.1