From nobody Tue Sep 16 04:49:55 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09C67C5479D for ; Mon, 9 Jan 2023 21:33:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235234AbjAIVdy (ORCPT ); Mon, 9 Jan 2023 16:33:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229648AbjAIVdt (ORCPT ); Mon, 9 Jan 2023 16:33:49 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8CA3E2E for ; Mon, 9 Jan 2023 13:33:48 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6599E61414 for ; Mon, 9 Jan 2023 21:33:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C3813C433F2; Mon, 9 Jan 2023 21:33:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673300028; bh=CFEeibNvvYAHsooB/GZxZzGLeG1gUo5uWWp85VJYZOI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CkayMLf4IhwPE5yfzgDGZfwtnsgWnvEkfeAXD5O25NOF846s/PGNbZIBST+o9XJfu YTzFb7YVkNVDpiaxedFNYwJ5bGBdaSZlzL0dJifZseNQaZ9fVWqVQmyDdHhV+vKXja HASc/1EM1sgLdlweKLpxJWF0NKPshrKc8IjLEngSJK+LCP2VWTSJxuduVYw99ul/ij NzCuJU0/oB5GhgMqwXkr0/VEu2XMLuavwrhnAr0bYcTbsg9oa3xyQuy7Jd7rGl+BIG b/Aw174M8zeE6Hi9q4YH1GA+PwK7bX+GynKfII38j5rrg51mvQfOX0XcBjXRTshqIX 7XmdlB/xwMVHg== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/6] mm/damon/paddr: rename 'damon_pa_access_chk_result->page_sz' to 'folio_sz' Date: Mon, 9 Jan 2023 21:33:33 +0000 Message-Id: <20230109213335.62525-5-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230109213335.62525-1-sj@kernel.org> References: <20230109213335.62525-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" DAMON's physical address space monitoring operations set is using folio now. Rename 'damon_pa_access_chk_result->page_sz' to reflect the fact. Signed-off-by: SeongJae Park --- mm/damon/paddr.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 99d4c357ef2b..65c1e0f91535 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -80,7 +80,8 @@ static void damon_pa_prepare_access_checks(struct damon_c= tx *ctx) } =20 struct damon_pa_access_chk_result { - unsigned long page_sz; + /* size of the folio for the access checked physical memory address */ + unsigned long folio_sz; bool accessed; }; =20 @@ -91,7 +92,7 @@ static bool __damon_pa_young(struct folio *folio, struct = vm_area_struct *vma, DEFINE_FOLIO_VMA_WALK(pvmw, folio, vma, addr, 0); =20 result->accessed =3D false; - result->page_sz =3D PAGE_SIZE; + result->folio_sz =3D PAGE_SIZE; while (page_vma_mapped_walk(&pvmw)) { addr =3D pvmw.address; if (pvmw.pte) { @@ -103,7 +104,7 @@ static bool __damon_pa_young(struct folio *folio, struc= t vm_area_struct *vma, result->accessed =3D pmd_young(*pvmw.pmd) || !folio_test_idle(folio) || mmu_notifier_test_young(vma->vm_mm, addr); - result->page_sz =3D HPAGE_PMD_SIZE; + result->folio_sz =3D HPAGE_PMD_SIZE; #else WARN_ON_ONCE(1); #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ @@ -118,11 +119,11 @@ static bool __damon_pa_young(struct folio *folio, str= uct vm_area_struct *vma, return !result->accessed; } =20 -static bool damon_pa_young(unsigned long paddr, unsigned long *page_sz) +static bool damon_pa_young(unsigned long paddr, unsigned long *folio_sz) { struct folio *folio =3D damon_get_folio(PHYS_PFN(paddr)); struct damon_pa_access_chk_result result =3D { - .page_sz =3D PAGE_SIZE, + .folio_sz =3D PAGE_SIZE, .accessed =3D false, }; struct rmap_walk_control rwc =3D { @@ -157,25 +158,25 @@ static bool damon_pa_young(unsigned long paddr, unsig= ned long *page_sz) folio_put(folio); =20 out: - *page_sz =3D result.page_sz; + *folio_sz =3D result.folio_sz; return result.accessed; } =20 static void __damon_pa_check_access(struct damon_region *r) { static unsigned long last_addr; - static unsigned long last_page_sz =3D PAGE_SIZE; + static unsigned long last_folio_sz =3D PAGE_SIZE; static bool last_accessed; =20 /* If the region is in the last checked page, reuse the result */ - if (ALIGN_DOWN(last_addr, last_page_sz) =3D=3D - ALIGN_DOWN(r->sampling_addr, last_page_sz)) { + if (ALIGN_DOWN(last_addr, last_folio_sz) =3D=3D + ALIGN_DOWN(r->sampling_addr, last_folio_sz)) { if (last_accessed) r->nr_accesses++; return; } =20 - last_accessed =3D damon_pa_young(r->sampling_addr, &last_page_sz); + last_accessed =3D damon_pa_young(r->sampling_addr, &last_folio_sz); if (last_accessed) r->nr_accesses++; =20 --=20 2.25.1