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X-CSE-ConnectionGUID: zGzk7ZfwSpq1fvPbcU2b2g== X-CSE-MsgGUID: B+LP8BWXQyy9ocU81UK1gA== X-IronPort-AV: E=McAfee;i="6800,10657,11465"; a="74787983" X-IronPort-AV: E=Sophos;i="6.16,241,1744095600"; d="scan'208";a="74787983" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jun 2025 11:31:00 -0700 X-CSE-ConnectionGUID: /UhGteHjTwqm2za5wWuXyQ== X-CSE-MsgGUID: LzoKt393S+WrH8thVDd9AA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,241,1744095600"; d="scan'208";a="153507365" Received: from msatwood-mobl.amr.corp.intel.com (HELO [10.125.108.25]) ([10.125.108.25]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jun 2025 11:30:59 -0700 Message-ID: Date: Mon, 16 Jun 2025 11:30:58 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 00/13] x86/mm: Add multi-page clearing To: Ankur Arora Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, akpm@linux-foundation.org, bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, mingo@redhat.com, mjguzik@gmail.com, luto@kernel.org, peterz@infradead.org, acme@kernel.org, namhyung@kernel.org, tglx@linutronix.de, willy@infradead.org, jon.grimm@amd.com, bharata@amd.com, raghavendra.kt@amd.com, boris.ostrovsky@oracle.com, konrad.wilk@oracle.com References: <20250616052223.723982-1-ankur.a.arora@oracle.com> <5d3e4538-9757-4d6e-bed1-900c9859d860@intel.com> <87o6uny25j.fsf@oracle.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-Rspam-User: X-Rspamd-Queue-Id: 05AED1C0002 X-Stat-Signature: 86nnnic1jj3ac4m1mf7dt3carx8r4qx4 X-Rspamd-Server: rspam04 X-HE-Tag: 1750098660-798151 X-HE-Meta: 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 ZvC54HPH fQbC7hvgZnz+24+59bKPXqH+Sm4p3y0xAfVT4Q3uZNEctUJbxPzcm9I88WOcq1W++hz6uJ1XMzVm5Veg5j2H+sXexKFBriE4qokhDV2oTbXswiLaF4ennTwqki5lue9C/eBxDJXYktpsmT4r3vrawVDmFyHRB6/qHiSbT3TZs2xreTh9z/EPUwRo01LPtuHEoBDYD/lErC5jJlj0= 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 6/16/25 11:25, Ankur Arora wrote: > I'm happy to try other tests if you have some in mind. I'd just want to make sure that the normal 4k clear_page() users aren't seeing anything weird. A good old kernel compile would be fine.