From mboxrd@z Thu Jan 1 00:00:00 1970 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 66A27328248; Thu, 18 Dec 2025 12:11:48 +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=1766059909; cv=none; b=UAWgoNGn/pLVoJ8taFn7U13qwhHSBmESzo8/NDRFA2FhlMnjfe25hD/IO1ptRWKI69yH9NaqaAQ1H2uirRCeCmcYgRhVfyuk4+4BQsVHF9Vt+NaRGg3phcbFHARet6vaYNRx0JTyWLE0N4CthMf5P3eN0oJcaYztrVpHiyw3I8U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766059909; c=relaxed/simple; bh=ipI3gqtuXeH8Ewu4AyGr2xi/tSRvuGR+xxhOF1hRRs4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=P80WKRzjB5p9ARu9EYTAlVpnpIOu7z7Cd+7r1PcXUpN/1e87QmhxsZNPRg0s4gp3K1fGC22Ts1kYWyK0MKJ5W6jz33SGgt6wuS4+ZwheVW19oikn/R4uZ4aC0kTSjuqWZPnMwlNS32Z4z3BFCd2r3IidI3TYjYbYDnHPHt0gl48= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tifMOqAT; 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="tifMOqAT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 515F6C4CEFB; Thu, 18 Dec 2025 12:11:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766059908; bh=ipI3gqtuXeH8Ewu4AyGr2xi/tSRvuGR+xxhOF1hRRs4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tifMOqAT2f2HQ4jFq5UqKvTU0mF0DIM0ZYg4EcGmCcHD3ApJwCUlaEkx6WrErE83W zfVw+lvsLSuw3BAAGLDj/rfEui+S/6bV25HghWqJhKBGp4e+fYUCabjUaNgq25cdrD fZiEnD2vP+zR4cz6ocWYmBpyirf1rop1A/XYuEpMGleN/Q5WWurzifZBJmaMOrXpih Y5WOnDjFSyI488CRoaOk3uHWiKTuCN0UxLHysQSEoypsYPCJPwmYgE4blkiDEBHUgH 5Sd1mLAEAEZXZVQrVYb8pkkWpGDP9UkfhtdfShTLC1WXDD/0oDNb1BM3X/fU2Pl5rT P+LSgV6IuayVQ== Date: Thu, 18 Dec 2025 14:11:37 +0200 From: Mike Rapoport To: Tao pilgrim Cc: davem@davemloft.net, andreas@gaisler.com, akpm@linux-foundation.org, david@kernel.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, surenb@google.com, mhocko@suse.com, kevin.brodsky@arm.com, dave.hansen@linux.intel.com, ziy@nvidia.com, chengkaitao@kylinos.cn, willy@infradead.org, zhengqi.arch@bytedance.com, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] sparc: Use vmemmap_populate_hugepages for vmemmap_populate Message-ID: References: <20251217120858.18713-1-pilgrimtao@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Thu, Dec 18, 2025 at 07:45:52PM +0800, Tao pilgrim wrote: > On Thu, Dec 18, 2025 at 7:14 PM Mike Rapoport wrote: > > > > On Wed, Dec 17, 2025 at 08:08:58PM +0800, chengkaitao wrote: > > > From: Chengkaitao > > > > > > 1. Added the vmemmap_false_pmd function to accommodate architectures > > > that do not support basepages. > > > 2. In the SPARC architecture, reimplemented vmemmap_populate using > > > vmemmap_populate_hugepages. > > > > What problem this patch is trying to solve? > > Following the pattern established by other architectures, vmemmap_populate > is reimplemented using vmemmap_populate_hugepages in the SPARC architecture, > which fulfills the intended purpose of vmemmap_populate_hugepages. But what's wrong with the current sparc::vmemmap_populate()? > The functional logic remains unchanged. > > > > Signed-off-by: Chengkaitao > > > --- > > -- > Yours, > Kaitao Cheng -- Sincerely yours, Mike.