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 3EEC718DB1A; Thu, 3 Jul 2025 13:29:29 +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=1751549370; cv=none; b=BUPPfC4vL/LUrnGD4CLsOjtu/ibtTlU9P3ufGf3rhV+g07cPBbiOYvO/HAL7A+gIF0Nht2N1tZlmOWT/eWuk1KLiOjH5P/V0QlTz5aIrjTw9RqAkbn+lB4K8n+CaP4ASSnKZaavLBdK5VhIBAVrMNn0XyI/AWjcSOGDoDDu4lw8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751549370; c=relaxed/simple; bh=mE7KxLntyokwKS18EvuW2I0xC9Lqd58vJ5T1ZYoF/Gg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=L6pK6MjBJ5OR6hUBglhLaDh8TJx53giCGz3kLP4UcA7dX+D34+UewuPBZFCfPmbyLdJnPVgdrfSoLQCkihoz/QMpXAZ4lvKux5T3oWpilmK3HqdV7cyeEscUQwfLQpkCHZmYg1e2mWj05i06XMfQfp88pCU32SIqYR0FdEPB8qM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dqrVxygz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dqrVxygz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A4601C4CEE3; Thu, 3 Jul 2025 13:29:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751549369; bh=mE7KxLntyokwKS18EvuW2I0xC9Lqd58vJ5T1ZYoF/Gg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=dqrVxygzJn9L13hv02/ZfP+LcmYFGietL2GWQ3HobiiKUzzGrIC6Yp7g8wzbTCLZ7 Kt1D9W8NX+EFwtyCARdizDjCQk+CMRqA6xQCudmWzEwraA+IfCEIZdL8NEkPL03QlY VV2QVhqYiwvadcPT7EZPqtFG5CXr2rww2zL00V9hxbq4Ca2GKILgeJ6/mABoJ7o1uC 9elBCeiSi0WlBfacIUn4+ztPTQTW4c3BxsFxlr5oHiphUiJBeZug+0hyC22D6mQufZ 2qJpGV39IgB189+jkIx9bC3yjuUDkhAidwIxn9SS1QZH2TaEJwYf1ZiuD32/IvM4OB pQV9hv5gd+wgQ== Message-ID: <27363482-efa5-49bf-94e4-6d93a662ecaa@kernel.org> Date: Thu, 3 Jul 2025 15:29:19 +0200 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v8 0/5] Split netmem from struct page To: Byungchul Park , willy@infradead.org, netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, kernel_team@skhynix.com, kuba@kernel.org, almasrymina@google.com, ilias.apalodimas@linaro.org, harry.yoo@oracle.com, akpm@linux-foundation.org, davem@davemloft.net, john.fastabend@gmail.com, andrew+netdev@lunn.ch, asml.silence@gmail.com, toke@redhat.com, tariqt@nvidia.com, edumazet@google.com, pabeni@redhat.com, saeedm@nvidia.com, leon@kernel.org, ast@kernel.org, daniel@iogearbox.net, david@redhat.com, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, horms@kernel.org, linux-rdma@vger.kernel.org, bpf@vger.kernel.org, vishal.moola@gmail.com, hannes@cmpxchg.org, ziy@nvidia.com, jackmanb@google.com References: <20250702053256.4594-1-byungchul@sk.com> Content-Language: en-US From: Jesper Dangaard Brouer In-Reply-To: <20250702053256.4594-1-byungchul@sk.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 02/07/2025 07.32, Byungchul Park wrote: > Hi all, > > In this version, I'm posting non-controversial patches first since there > are pending works that should be based on this series so that those can > be started shortly. I will post the rest later. > > The MM subsystem is trying to reduce struct page to a single pointer. > The first step towards that is splitting struct page by its individual > users, as has already been done with folio and slab. This patchset does > that for netmem which is used for page pools. > [...] > > Byungchul Park (5): > page_pool: rename page_pool_return_page() to page_pool_return_netmem() > page_pool: rename __page_pool_release_page_dma() to > __page_pool_release_netmem_dma() > page_pool: rename __page_pool_alloc_pages_slow() to > __page_pool_alloc_netmems_slow() > netmem: use _Generic to cover const casting for page_to_netmem() > page_pool: make page_pool_get_dma_addr() just wrap > page_pool_get_dma_addr_netmem() > > include/net/netmem.h | 7 +++---- > include/net/page_pool/helpers.h | 7 +------ > net/core/page_pool.c | 36 ++++++++++++++++----------------- > 3 files changed, 22 insertions(+), 28 deletions(-) Acked-by: Jesper Dangaard Brouer