From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794402735; b=sntoKECroh/Z0cgbXGhob33uCkkXuBPXHljJW6qZzO+UScxaT1UHEfLmuT4hpCIKM8vg wVs0UFYH5NhDekXVmN3jvypgefj86u0jkR8fG+fB8tJNRH+yKUljWhcXpVOmCkTiplGhC PFHnDMe5n8CweUUFZ0VgHWuSMbpNmhl4HlRgqMt+NPt0K9q+XUgK2c08mnQhz0xfUheRz /WTndGMKPF5JSqnqqGrjD5NDn0z0ThxLBmixEuAqc8t4JhyDekngwFjPibDkSf4duQYlJ QTeDgWIziPdYDYQ47iHNTxaRFJsN6AT6xt4WfeeDuikXg26LfAigcB2oVOO5sj2eUTQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794402735; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=Xirn7Dc5oy647ZCJttt6/JzcrWgzS0z+CjkgHSeTgmY=; b=mniWmYpV1iRBMXyGveSaYLv9/SYylJcYZ4aTr2fnJMrjDF+MXQmPeIV8e9FxJ/k9+mex ehKHQWX2+CiOKrR9CGX3D/iwQkhkBiLWYkTGkK1+gEceMoEduH5/HIFtwJXrPhM44jbCV 4/rSGkf8pLtQgfzKy+tBfy4+wLi9CLozQFN8OYlgGmCkl7QNaeDhjMZVpv5MKY5VQgGlY m1rpwuvqTUUEexRMMEQU1az+HjcT8d8E9SlDxt36thJT368cyUeOa0+N6HfwbSrs4sQrV 29JrswZdvjGwvlCER4ihsZJLWku85ge0w5kzdlnI2oan/4cry6K2f+Z3qLcvzui0O1A== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=QPgnEKcE; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E4508606A31C for ; Wed, 11 Nov 2026 13:12:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=QPgnEKcE Received: by smtp.kernel.org (Postfix) with ESMTPSA id A4BC91F00A05; Wed, 11 Nov 2026 13:12:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794402734; bh=Xirn7Dc5oy647ZCJttt6/JzcrWgzS0z+CjkgHSeTgmY=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=QPgnEKcEXcLAKi338Wys6RJD3/FYKNJ5CVrsbIAIhTXiYT33NsN2ikRZnDIQQ4svP l6Y4jnx2K+CzoYu1sSMeRd61PP0Si4EjMneociGmxStIgRH5G3FAZSZkSqT+KMgdYO yonn5y+0Bb34WiujcwmlpVszPm/t0E5s9d1B6erVXKjNVQZRIz78pAyI/ZguiFBSxv uEQVBZ6NTQRvAijUBWfST3on2FhgEDUQL8Lj1rwUMrxwRQsNFlPC8XweeVrklaVBhe HtDqEmKG2Nxi/LtZr/zzr0Tds5KMqAjl+y45p5rs2r9bausaqoTS+APpOEXacPgXhN l8YP5Le1qx/Kg== Date: Wed, 11 Nov 2026 13:12:06 +0000 From: "Lorenzo Stoakes (ARM)" To: Peter Zijlstra Cc: Shivank Garg , Andrew Morton , David Hildenbrand , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Ankur Arora , Pedro Falcato , Borislav Petkov , Bharata B Rao , Hrushikesh Salunke , K Prateek Nayak , x86@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3] mm/memory: drop PROCESS_PAGES_NON_PREEMPT_BATCH Message-ID: References: <20261109-clear-pages-batch-v3-1-6693efe18dff@amd.com> <20261111124006.GI2668564@noisy.programming.kicks-ass.net> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261111124006.GI2668564@noisy.programming.kicks-ass.net> On Wed, Nov 11, 2026 at 01:40:06PM +0100, Peter Zijlstra wrote: > FWIW one could do: > > for (int i = 0; i < nr_pages; i++) { > > and forgo the earlier variable declaration. I guess we all got used to the existing patterns and I for one only recently found out (doh) that this was legal in kernel style (because I saw it used in KVM)... -- Cheers, Lorenzo