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 C836C258ECB for ; Wed, 17 Dec 2025 20:26:04 +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=1766003164; cv=none; b=csoDCEpAcLt23jhxiZLrGPwMJxDTC6jUoPMb4l+uwzvVCBGvo9weLK4ClEFVhgC0d6N0hu2lbKRcx2DFLu2cBH5DuuuhdA49r8Ofspw8wUJ4RZ2aEN98j+00l29yz2SBRW4X61rVoCRHi/53AD/cZJo9ry066EcJH9yJYE6bwBM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766003164; c=relaxed/simple; bh=rLg0yhV7MJSzVux466aPk9fqyfJTf+LBnKTPih370/4=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=kV/ww63Fw/LI4JScrcA8uF6r6ttiXSf9XLkSBDmsi6R+gesVCFAa+zX1mKwKMAVwObFKGU1RrW4JYpLtJCyzT+POg6sGdNK6McI82+RsTilJGFz4RSrEHjqEfZzijoF/MAUYzu736WqZpTa35AEmbLBDQQRZwjHcRyO9TmN01yw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=FFsQ98uf; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="FFsQ98uf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC700C4CEF5; Wed, 17 Dec 2025 20:26:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1766003164; bh=rLg0yhV7MJSzVux466aPk9fqyfJTf+LBnKTPih370/4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=FFsQ98ufdK7XNH0VXAxYnS/2/McRZ4h0wDDdDWPO0pa72TSYx/+57Rs+e9egFoifM TCKK91K6OxyTUH/S9dIcv3wrrqEAW3j5/sTYFj1uJ5IeHiz59QscPjsZdlNK4ArSSd Moe/4mchfcIFTGOtDtdZTZF+43yxyvz7FO3ALTSE= Date: Wed, 17 Dec 2025 12:26:02 -0800 From: Andrew Morton To: Ankur Arora Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, david@kernel.org, bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, mingo@redhat.com, mjguzik@gmail.com, luto@kernel.org, peterz@infradead.org, tglx@linutronix.de, willy@infradead.org, raghavendra.kt@amd.com, chleroy@kernel.org, ioworker0@gmail.com, boris.ostrovsky@oracle.com, konrad.wilk@oracle.com Subject: Re: [PATCH v10 7/8] mm, folio_zero_user: support clearing page ranges Message-Id: <20251217122602.ecf88868aa473ff1d4905a7d@linux-foundation.org> In-Reply-To: <87345851kg.fsf@oracle.com> References: <20251215204922.475324-1-ankur.a.arora@oracle.com> <20251215204922.475324-8-ankur.a.arora@oracle.com> <20251215184413.19589400a74c2aadb42a2eca@linux-foundation.org> <874ipqexai.fsf@oracle.com> <20251216071250.e49ecf7490acf7f377dbfdc0@linux-foundation.org> <87fr994hot.fsf@oracle.com> <20251217105426.5f03b5e8abd2e50faee9f49f@linux-foundation.org> <87345851kg.fsf@oracle.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) 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=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 17 Dec 2025 11:51:43 -0800 Ankur Arora wrote: > > If so, what's the timing on that? It would be nice to do it in the > > current -rc cycle for testing reasons and so the changelogs can be > > updated to reflect the altered performance numbers. > > I can send out an updated version of this patch later today. I think the > only real change is updating the constant and perf stats motivating > the chunk size value of 32MB. Yep. A tiny change wouldn't normally require a full resend, but fairly widespread changelog updates would best be handled with a v11, please. > Anything else you also think needs doing for this? Nope. Just lots of review, as always ;) What's the story with architectures other that x86, btw?