From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 300F13FFF94 for ; Fri, 2 Oct 2026 19:33:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790969589; cv=none; b=K2fqohVcifsXeIsSNMIX+bn3A3oWP2H3L3XwoUdpVh+kKDBWmpRb2g/XAKvWXnlxpm63I61Qd+z0K+JaIYEHheOWAI39otUCnBMJlVuzSsKGY8nkOGW182Vh7N1hnOq59/LG8DlTWb15JeCz700LmEsTLHDuluvxKY/5fpDN3eY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790969589; c=relaxed/simple; bh=w9zoEuoM5YZUcq3FoGTqiUbAFewrcl/Q7PqpbiPSXsA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=aUcVEH3xgAAUxMgPLPTHNgXLL9GtjmoVyOg4Bvv9g3FmkJLGmgyv1kDBlM9DtWKbuQnSwTZVJZ2fwbq4vE9mqxJAvTOPO1dPBr23dH3v0khV77oYx1eTxrFU6J2pE16N+E/A/L50Y72FrynacCSbilu7MnmRo5nOIq8pvcF1CXA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lZgSpxke; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lZgSpxke" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 40D981F000FF; Fri, 2 Oct 2026 19:32:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790969584; bh=dVKx84NxUYGGJKXGVVdE5LF3HRwqIL74lqlE5opoXUw=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=lZgSpxke0mvUdvDGWrJuZQLWen71vjq/nK+jJUHf6APW+GhSGLI7pFx5NWfcTsjIg 1FBL8w+e1gyB3dujAEbON2e0pPOscCKqRIEqJgpS1yq0S9H0XBKtxUTKjBZ6jM25qj cztLOnR1xjdyGPZL4urYtaniCO+PNgEyLyAStr0GnGuAocclhFAVmNIsI0TRSufjC3 yeqjjfeXI1q43BgTcwyn9rW9FxKy2tX+PxebaFOnAZTAHL1STHXT6TG2O8gGiPcKVJ OzWy7TWHqVeUG1zoUKlqnQmO5Ww3P76sSrBmzISGCIei6CuexWBlDFkoNDzd7XjtZ1 IAFPdbVDdP+PQ== Message-ID: <45eaf367-331d-420c-b333-58c65c185a6f@kernel.org> Date: Fri, 2 Oct 2026 21:32:54 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 13/14] mm: replace thp_disabled_by_hw() with pgtable_has_pmd_leaves() To: Luiz Capitulino , linux-kernel@vger.kernel.org, linux-mm@kvack.org, baolin.wang@linux.alibaba.com, ziy@nvidia.com, lance.yang@linux.dev Cc: corbet@lwn.net, tsbogend@alpha.franken.de, maddy@linux.ibm.com, mpe@ellerman.id.au, agordeev@linux.ibm.com, gerald.schaefer@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, x86@kernel.org, tglx@kernel.org, mingo@redhat.com, bp@alien8.de, hughd@google.com, dave.hansen@linux.intel.com, djbw@kernel.org, vishal.l.verma@intel.com, dave.jiang@intel.com, akpm@linux-foundation.org, yintirui@huawei.com, dev.jain@arm.com, usama.arif@linux.dev References: <59028991ef703526a8e3be4c1f3875b042f328ae.1789695931.git.luizcap@redhat.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/18/26 03:45, Luiz Capitulino wrote: > Despite its name, thp_disabled_by_hw() just checks whether the > architecture supports PMD-sized pages. It returns true when > TRANSPARENT_HUGEPAGE_UNSUPPORTED is set in transparent_hugepage_flags, > this only occurs if the architecture implements arch_has_pmd_leaves() > and that function returns false. > > Since pgtable_has_pmd_leaves() provides the same semantics, use it > instead. > > Reviewed-by: Lance Yang > Reviewed-by: Baolin Wang > Acked-by: Zi Yan > Acked-by: David Hildenbrand (Arm) > Signed-off-by: Luiz Capitulino > --- Yes, that's a nice cleanup. -- Cheers, David