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 9EB842857F1; Wed, 16 Jul 2025 22:27:12 +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=1752704832; cv=none; b=eoZCDXBu4t4E4tyXd3J8S+wr42lcfHxXDAod36ZosQihC9WlSXwO1A6CTES4jeDaFznbPbCZh76PpS0gQhz9f3dF1TmZuiITOw7Srogdrq3w0YY3EEtCwXqfUcXuxArFfsh+JKlQu7/wMzrQj2xOrncICfXOSVjoC9jk7+h6PMQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752704832; c=relaxed/simple; bh=Tu5JRrTaLxjAsLV5SCPpe1Ex1V91jjvN1Tb/KDM9lNw=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=YkW93tqJ0B0gQYLnOVcHyuEL9CKfvS49c271PXnAOfLXKzEaiENxPPzARqV9gi6VJAkeqpV6Hy93KC50Nus29+TM8W6Ld0PUzW/AUbo9i5wOrxJhybX2QdQ3IBk4gVURibdlXd/o0bCI7HsH3Q+S2pPruHbtezI5giJfzsQ3S4I= 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=FQ20TfVJ; 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="FQ20TfVJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 087D3C4CEE7; Wed, 16 Jul 2025 22:27:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1752704832; bh=Tu5JRrTaLxjAsLV5SCPpe1Ex1V91jjvN1Tb/KDM9lNw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=FQ20TfVJv7WHG4iy+EX6C5O/ThLRdHt1x2CyduQoJ7kBpnfwVRY4iaXRGrPLDkcGE DBema/GEK6i5vtv2C20l0NWl0W9bQMb+oyV+Fhec+AWeSTRdsHVXB/JrmwlAloVh2r aiQsmw0UH40iuqW+2aualml7hoCW1ijLrIVxgQ0o= Date: Wed, 16 Jul 2025 15:27:10 -0700 From: Andrew Morton To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, xen-devel@lists.xenproject.org, linux-fsdevel@vger.kernel.org, nvdimm@lists.linux.dev, Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , Dan Williams , Matthew Wilcox , Jan Kara , Alexander Viro , Christian Brauner , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Jann Horn , Pedro Falcato , Hugh Dickins , Oscar Salvador , Lance Yang Subject: Re: [PATCH v1 0/9] mm: vm_normal_page*() improvements Message-Id: <20250716152710.59e09fe5056010322de2a1a3@linux-foundation.org> In-Reply-To: <17a539fa-977c-4f3f-bedf-badd1fc1287a@redhat.com> References: <20250715132350.2448901-1-david@redhat.com> <20250715163126.7bcaca25364dd68835bd9c8b@linux-foundation.org> <17a539fa-977c-4f3f-bedf-badd1fc1287a@redhat.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: nvdimm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 16 Jul 2025 10:47:29 +0200 David Hildenbrand wrote: > > > > However the series rejects due to the is_huge_zero_pmd -> > > is_huge_zero_pfn changes in Luiz's "mm: introduce snapshot_page() v3" > > series, so could we please have a redo against present mm-new? > > I'm confused: mm-new *still* contains the patch from Luiz series that > was originally part of the RFC here. > > commit 791cb64cd7f8c2314c65d1dd5cb9e05e51c4cd70 > Author: David Hildenbrand > Date: Mon Jul 14 09:16:51 2025 -0400 > > mm/memory: introduce is_huge_zero_pfn() and use it in vm_normal_page_pmd() > > If you want to put this series here before Luiz', you'll have to move that > single patch as well. > > But probably this series should be done on top of Luiz work, because Luiz > fixes something. I'm confused at your confused. mm-new presently contains Luiz's latest v3 series "mm: introduce snapshot_page()" which includes a copy of your "mm/memory: introduce is_huge_zero_pfn() and use it in vm_normal_page_pmd()". > [that patch was part of the RFC series, but Luiz picked it up for his work, so I dropped it > from this series and based it on top of current mm-new]