From nobody Fri Dec 19 20:32:56 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 2E2F522B8A4; Wed, 16 Apr 2025 04:26:03 +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=1744777563; cv=none; b=jBmYk2Ktit+h9/SNoIxy+oEGLi5oXQu1q9fIdkEW2jv6yEcF9NzJoA/W4tsHjAErIy171D8/UodskJUGVofKVottFZhyPZi9cqtd8M5wTZ4OHGEs6bUt8zxIhYHqy3K2WzuP+U1fSZYozmRZ3l+Biz4fjAm6Q9TVk0Q3jM9C/bE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744777563; c=relaxed/simple; bh=NF1Fz3bDL9B8+3kS7pFSCGv/wFAjiHx4+Ev+Qri+nRI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=rj/CooClmAxuv3qkSAAag2oqUM61fq9hTYSLYzXLM7pZs7jXySIsguZ2Ws0rL2SUpKsb9kTTt7StMZJKmRO5TnBGFKuzYNmG3d4rCKftFeL2K+HypqyFQk/PCZIFu/VyQo7Mc0p+eLh2Dx/uGd5tXkiqiJQ21fC24P5tMvVHUeI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=S2f4NLft; 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="S2f4NLft" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CE81DC4CEEA; Wed, 16 Apr 2025 04:26:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744777563; bh=NF1Fz3bDL9B8+3kS7pFSCGv/wFAjiHx4+Ev+Qri+nRI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=S2f4NLftPAY2dyH5uJ9BBSOkQIXPLI+NMI9wIuqb7TxG/RSNHu+LqtgDjjEBIDVNn 7NtByuthkgHRjmg5XBSlhPisAWE9Ln77uuth9cLZlM3EZpUXYGlPhAnGPZBvtitINP 63X4bG0SB48Nzt1kUGflNNpg1zEruzc+c9gYKuKP1A7fvNc3egUsHhpKKVwxUIf/6t v799YleAqN9wag0aUJil73BmheVT3RjtnY4//DpGbSNUTqJiaORH0WZRLLb27b6rdQ rgiLsnYIFC+tWi/MvINGZXCb+eE6hDegvyOT5C0oxrwmese+t3rxR2MVEQXe2R0NcZ tiBbouF8I9YNg== 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 06/10] mm/damon/paddr: support addr_unit for DAMOS_STAT Date: Tue, 15 Apr 2025 21:25:47 -0700 Message-Id: <20250416042551.158131-7-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_STAT action handling from the DAMOS operation implementation for the physical address space. Signed-off-by: SeongJae Park --- mm/damon/paddr.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 20955eefcdbf..0d6491159a04 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -562,18 +562,19 @@ static bool damon_pa_scheme_has_filter(struct damos *= s) return false; } =20 -static unsigned long damon_pa_stat(struct damon_region *r, struct damos *s, +static unsigned long damon_pa_stat(struct damon_region *r, + unsigned long addr_unit, struct damos *s, unsigned long *sz_filter_passed) { - unsigned long addr; + phys_addr_t addr; LIST_HEAD(folio_list); struct folio *folio; =20 if (!damon_pa_scheme_has_filter(s)) return 0; =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; @@ -701,7 +702,7 @@ static unsigned long damon_pa_apply_scheme(struct damon= _ctx *ctx, return damon_pa_alloc_or_free(r, scheme, false); #endif case DAMOS_STAT: - return damon_pa_stat(r, scheme, sz_filter_passed); + return damon_pa_stat(r, aunit, scheme, sz_filter_passed); default: /* DAMOS actions that not yet supported by 'paddr'. */ break; --=20 2.39.5