From nobody Fri Dec 19 20:32:52 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 4A3D922A7E8; Wed, 16 Apr 2025 04:26:00 +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=1744777561; cv=none; b=SESVgFScwuuMEEsi7w6JUzaIcpojz+9JAfFhaTAGWT9fxI9cdF/lv9jOYrgge7nR2FX3nmie3t54CUnsmDKufCxbMrFDD0YqxQBkcd/Vh3yIiAmY95pNYV5lglMg06G9++eQorZPEHigexZOGJIorKCr7BgGQO3kO8SWszFr/Ws= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744777561; c=relaxed/simple; bh=aVhepC2SbbyeztBh1elFWeExoYmm7rHUW1i6zPW/jCA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=uzsHdj5+Xq4L4hLXJRl4sT+nazO+j2gHfV7/KwREvP5PLg9fne+czrz8O71HscnTEl90p2hh/q7HC0AQx9SsN1lJbRl2iz5Tk4gLSTLnFSfbHH7/a3SSMWeCLRKxG0vNzp2FAq/P07s4+gFtVlfpyH7GtsRIoU9khSpaI7nhMHo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=p4usEUUh; 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="p4usEUUh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A1183C4CEE2; Wed, 16 Apr 2025 04:26:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744777560; bh=aVhepC2SbbyeztBh1elFWeExoYmm7rHUW1i6zPW/jCA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=p4usEUUhCGZUhfSiRp1VRg49kAqyRNEsUR/S5IHIPt1kf3tjOXkdSUhkaW3lwh9y2 7z3WWsrN6c/Dxcl0hSJoz+NrkJrJzf6mvKovDg2QpXOsfrWT7dC93umI7ZIj5mwdh5 sITAtyzkZsPAFqwGLf3sPAvhikhjbY6+ZCTZFbeePRb2SeXVoOyDgNppz8LEoGYgAN D4FzQLf6bsUBD4bRWXe+TG7CdUp5xq1aqB45jOFEWYZEuHtcV1nsUzcmDqt14wjhIN dKUba4U53Wi/saW1ZIAbCE/rFhlwJ/GCXHl98QimK71DVGZZZXRHOFQs0Ut3f5P6Z+ t57woOdqReygA== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , Ze Zuo , damon@lists.linux.dev, kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 04/10] mm/damon/paddr: support addr_unit for DAMOS_LRU_[DE]PRIO Date: Tue, 15 Apr 2025 21:25:45 -0700 Message-Id: <20250416042551.158131-5-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250416042551.158131-1-sj@kernel.org> References: <20250416042551.158131-1-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 --- 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 169ba81d4182..fc1c720e8cb5 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -347,14 +347,16 @@ 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; @@ -380,16 +382,18 @@ 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 @@ -680,9 +684,11 @@ 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