From nobody Sat Oct 4 03:18:43 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 9308830EF86 for ; Thu, 21 Aug 2025 11:06:14 +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=1755774376; cv=none; b=kpGKKeN9tuTkGswzuqOhgWcVjKK5OKHtN2l/sy9x7r0foxdk4tOmNLHBs08oI+tJlQ1CDpzi9wMaCY5ODFBmM9FbxoUw7xqpzzZ3WnnILR//XI/MjWaiyaOij5CcqJB+i+pYtuzs6CQWsKYSCMRbLgjDILvBuR30KBRkf2nrcFw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755774376; c=relaxed/simple; bh=cd52ZR+xD0/+BrpyDR0Oxt+qiH8L5Qhyoyo1kHxPRaE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=rikeY3Sj6avE8i/FVQOdgsKKT8Ul0ikNuPbZ5kLQUmaeruPTXtz12eoXoLI56X8KPTXPHlHznH0mLS1kCp2EJJwdxgSC2ml4/B7W0i/sFK+gc7RgSFK32y56zHt/M/FF5HkczLhf0PhpOEoLjGG9qhpIDsCmTYb/75w++csibXc= 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 [172.19.163.252]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4c70q84CcPz14MkW; Thu, 21 Aug 2025 19:05:40 +0800 (CST) Received: from dggpemf200018.china.huawei.com (unknown [7.185.36.31]) by mail.maildlp.com (Postfix) with ESMTPS id D8754180B57; Thu, 21 Aug 2025 19:05:44 +0800 (CST) Received: from huawei.com (10.50.85.135) 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; Thu, 21 Aug 2025 19:05:44 +0800 From: Quanmin Yan To: CC: , , , , , , Subject: [PATCH 03/11] mm/damon/paddr: support addr_unit for DAMOS_PAGEOUT Date: Thu, 21 Aug 2025 18:51:51 +0800 Message-ID: <20250821105159.2503894-4-yanquanmin1@huawei.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250821105159.2503894-1-yanquanmin1@huawei.com> References: <20250821105159.2503894-1-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: kwepems200002.china.huawei.com (7.221.188.68) 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 Signed-off-by: Quanmin Yan Reviewed-by: SeongJae Park --- mm/damon/paddr.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index d497373c2bd2..826c2064dbfd 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -135,10 +135,11 @@ 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, applied; LIST_HEAD(folio_list); bool install_young_filter =3D true; struct damos_filter *filter; @@ -159,8 +160,8 @@ 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; @@ -170,7 +171,7 @@ static unsigned long damon_pa_pageout(struct damon_regi= on *r, struct damos *s, if (damos_pa_filter_out(s, folio)) goto put_folio; else - *sz_filter_passed +=3D folio_size(folio); + *sz_filter_passed +=3D folio_size(folio) / addr_unit; =20 folio_clear_referenced(folio); folio_test_clear_young(folio); @@ -189,7 +190,7 @@ static unsigned long damon_pa_pageout(struct damon_regi= on *r, struct damos *s, applied =3D reclaim_pages(&folio_list); cond_resched(); s->last_applied =3D folio; - return applied * PAGE_SIZE; + return applied * PAGE_SIZE / addr_unit; } =20 static inline unsigned long damon_pa_mark_accessed_or_deactivate( @@ -302,9 +303,11 @@ 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 2.43.0