From nobody Sat Oct 4 22:39:30 2025 Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) (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 D46052BE630 for ; Wed, 13 Aug 2025 03:52:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.190 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755057162; cv=none; b=aZQhG8MufTb3iCwNURBCf4l66WAtBd6CX34q6P01bxQXXsnir0hmPwEUjPn1IjGB0xjd8fl7WMBe82+NCnbPy2Ahr1plodX3OFd5qHNMWdprg5kaTHRGjibQBzozElOnDsizQChkfOrt1xeF24kEgJ7VFoMAf0mxxZKmyT1XP0s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755057162; c=relaxed/simple; bh=qt9jQ18cGuKe6XFCz3xonlrzigV9tibsPEPRR6wcQnY=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=PtbpVbnJNoQja8UjAv49M6RtwCS2AaUtiH7Bk05gGhE5vGtSZi+MwBKhlxRyZ4eR3isLb6SY2jw2IXryxXZy20WqXHIVEG8QrVxxla4jOXZ8VxI7Bft1j0xlpQUvPCVXJu1Sqf83l2q8JBR3OMcM+wt3SoONHEQS4C2aqVL9sgQ= 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=45.249.212.190 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 [172.19.163.44]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4c1vV44ktFz2Cg50; Wed, 13 Aug 2025 11:48:12 +0800 (CST) Received: from dggpemf200018.china.huawei.com (unknown [7.185.36.31]) by mail.maildlp.com (Postfix) with ESMTPS id 2CEFD140109; 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 11:52:31 +0800 From: Quanmin Yan To: CC: , , , , , , Subject: [RFC PATCH -next 04/16] mm/damon/paddr: support addr_unit for DAMOS_LRU_[DE]PRIO Date: Wed, 13 Aug 2025 13:06:54 +0800 Message-ID: <20250813050706.1564229-5-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_LRU_PRIO and DAMOS_LRU_DEPRIO action handling from the DAMOS operation implementation for the physical address space. Signed-off-by: SeongJae Park --- mm/damon/paddr.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index b548813a0472..b8a7f462967b 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -195,14 +195,16 @@ static unsigned long damon_pa_pageout(struct damon_re= gion *r, } =20 static inline unsigned long damon_pa_mark_accessed_or_deactivate( - struct damon_region *r, struct damos *s, bool mark_accessed, + struct damon_region *r, unsigned long addr_unit, + struct damos *s, bool mark_accessed, unsigned long *sz_filter_passed) { - unsigned long addr, applied =3D 0; + phys_addr_t addr; + unsigned long applied =3D 0; 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; @@ -228,16 +230,18 @@ static inline unsigned long damon_pa_mark_accessed_or= _deactivate( } =20 static unsigned long damon_pa_mark_accessed(struct damon_region *r, - struct damos *s, unsigned long *sz_filter_passed) + unsigned long addr_unit, struct damos *s, + unsigned long *sz_filter_passed) { - return damon_pa_mark_accessed_or_deactivate(r, s, true, + return damon_pa_mark_accessed_or_deactivate(r, addr_unit, s, true, sz_filter_passed); } =20 static unsigned long damon_pa_deactivate_pages(struct damon_region *r, - struct damos *s, unsigned long *sz_filter_passed) + unsigned long addr_unit, struct damos *s, + unsigned long *sz_filter_passed) { - return damon_pa_mark_accessed_or_deactivate(r, s, false, + return damon_pa_mark_accessed_or_deactivate(r, addr_unit, s, false, sz_filter_passed); } =20 @@ -319,9 +323,11 @@ static unsigned long damon_pa_apply_scheme(struct damo= n_ctx *ctx, case DAMOS_PAGEOUT: return damon_pa_pageout(r, aunit, scheme, sz_filter_passed); case DAMOS_LRU_PRIO: - return damon_pa_mark_accessed(r, scheme, sz_filter_passed); + return damon_pa_mark_accessed(r, aunit, scheme, + sz_filter_passed); case DAMOS_LRU_DEPRIO: - return damon_pa_deactivate_pages(r, scheme, sz_filter_passed); + return damon_pa_deactivate_pages(r, aunit, scheme, + sz_filter_passed); case DAMOS_MIGRATE_HOT: case DAMOS_MIGRATE_COLD: return damon_pa_migrate(r, scheme, sz_filter_passed); --=20 2.34.1