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X-CSE-ConnectionGUID: NXZbqXoQQISOyo2b2wfKOg== X-CSE-MsgGUID: AMKU4CbWRX2pl8uGM0KZrg== X-IronPort-AV: E=McAfee;i="6800,10657,11698"; a="82324695" X-IronPort-AV: E=Sophos;i="6.21,285,1763452800"; d="scan'208";a="82324695" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Feb 2026 12:07:07 -0800 X-CSE-ConnectionGUID: 3tI4nEuBS5OPg9kHE/5ToQ== X-CSE-MsgGUID: 4LUtJmqFQEmxSs+x2ppV7Q== X-ExtLoop1: 1 Received: from sghuge-mobl2.amr.corp.intel.com (HELO [10.125.108.146]) ([10.125.108.146]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Feb 2026 12:07:06 -0800 Message-ID: <29599d4e-c2c7-4f40-a444-28dcc3768ce4@intel.com> Date: Wed, 11 Feb 2026 12:07:05 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 3/4] x86/mm/pat: Convert pmd code to use ptdescs To: "Vishal Moola (Oracle)" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, "Mike Rapoport (Microsoft)" Cc: akpm@linux-foundation.org, "Matthew Wilcox (Oracle)" , Dave Hansen , Andy Lutomirski , Peter Zijlstra References: <20260211195233.368497-1-vishal.moola@gmail.com> <20260211195233.368497-4-vishal.moola@gmail.com> From: Dave Hansen Content-Language: en-US Autocrypt: addr=dave.hansen@intel.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 33371180038 X-Stat-Signature: mfq7ytbnejqbq4x3nqwbm5f58wm3yoik X-Rspam-User: X-HE-Tag: 1770840427-26815 X-HE-Meta: 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 fMYsn1PN CxbsrFFiJH7PuvzbNea9Du8tlqjpf/lp9PCw7lx2H+6OofOAjKQTh6PdQ0F9PfA+tcT1YBWv24pzWz6JCYdOBxJKJ1IABnym/wSyx3PhDZqWeO/RDfJdByYBxCWw4PI7kP1K4ZwOENIXljtITdFPQQQR2OZW11BfDJAo6MtB3usVbkiR25gVpTVDroOEFa1q0QDB27XhAXYcadUclcIRFq6O50Qt6k3vgv11ScR30Y4/tGXQTX5HFOt1OAYMxHXbt7Zxwisly1Xdh3TLe8b0/x9yBhO1GcKcYgbmtX7KMFSOcOpo= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2/11/26 11:52, Vishal Moola (Oracle) wrote: > Also, rename *_pmd_page() functions to *_pmd(). Rename them now to avoid > any confusion later. Eventually these allocations will be backed by a > ptdesc not a page, but that's not important to callers either. So, pages are still a thing, whether the API says 'struct page' or not. The hardware kinda uses pages for page tables. ;) Could we please leave out the unnecessary churn from the renames?