From nobody Fri Oct 3 16:38:21 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 3901433EAF9; Thu, 28 Aug 2025 17:12:51 +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=1756401172; cv=none; b=aTtrJM683ddj8uQojUFn8YN2fvV0J5yUPRUvAIC0RuHxUaIwG3ai0bbq6bQpGEpSvZJ/+QGLU9/4k267q1MK+vcnxQm3Gqw46Qr9BEeUVYrwUHtoCyYbyKYtb97sb4LaLxZbNXh1FlGTQLPEa470JmM+akgaB/avMuNlu/EBLhk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756401172; c=relaxed/simple; bh=C5/zayeob6MyHQaVS/Yc9d/xPufVGppR2LXlEsxQyJY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=KzslewCS8wn8yceKboz9H9MCt+isFftZ+FX3/qydmlumegB77kv6nLX4aTl4npOFK72QDeqYP8LT3b4RczsE2xht7KoI47K3jyBhevwOD8V/XEvXPyGtdEJy7ljU6efdfbYbjzV61Mwksh/Fi3x8PyH1OGETriJ3snNW4+6H1GY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=E+RxwoPO; 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="E+RxwoPO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7E51FC4CEEB; Thu, 28 Aug 2025 17:12:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756401171; bh=C5/zayeob6MyHQaVS/Yc9d/xPufVGppR2LXlEsxQyJY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E+RxwoPOAEE+6jUb93CGgu+N6foU77IcMgIU/87tAcSSi2wYKwDyaOYnSOSomt+li /xDZnGQAvwX1L2Vek8rmEa461XJOgKk5LfvRos+Abtckv2z4YuKsF239Cbb7dqvvcl dOXRJ3TRkBpJ7ZCqbkCHbWFxIGJSKK2vpGVqHP80M3qeheEoH3esTsRFv41uViIM3o yvU2ehSWKban9MeYyACMeMVN2ff9nv94NHh98uGlL6pykxvRQQQkFavhrIAAeVjcGj ywTA1SpaujwfKMiJ3BLprrKkCE8Rpak/kLQEE4KXxewVlYiXIZeKUMsfgNSpdmbIih S3nuORtUmagUQ== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , Quanmin Yan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org, wangkefeng.wang@huawei.com, zuoze1@huawei.com Subject: [PATCH v3 04/11] mm/damon/paddr: support addr_unit for DAMOS_LRU_[DE]PRIO Date: Thu, 28 Aug 2025 10:12:35 -0700 Message-Id: <20250828171242.59810-5-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250828171242.59810-1-sj@kernel.org> References: <20250828171242.59810-1-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" 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 Signed-off-by: Quanmin Yan Reviewed-by: SeongJae Park --- mm/damon/paddr.c | 29 +++++++++++++++++------------ 1 file changed, 17 insertions(+), 12 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 696aeb0f6c8e..2cd1c9953983 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -207,14 +207,15 @@ 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, 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; @@ -224,7 +225,7 @@ static inline unsigned long damon_pa_mark_accessed_or_d= eactivate( 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 if (mark_accessed) folio_mark_accessed(folio); @@ -236,20 +237,22 @@ static inline unsigned long damon_pa_mark_accessed_or= _deactivate( folio_put(folio); } s->last_applied =3D folio; - return applied * PAGE_SIZE; + return damon_pa_core_addr(applied * PAGE_SIZE, addr_unit); } =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 @@ -322,9 +325,11 @@ 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 2.39.5