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 4B25440756B; Thu, 19 Mar 2026 23:31:12 +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=1773963072; cv=none; b=pdkPM/Ak2ERds36pSeBjnFcJ/Yjfrj5bnEc9D7pnWgRt1fGjrwtB5CRIe9TSxqkJI1oTCtH5s/xs4yC/QcD2i8nL8Sa3EGB1uxRfPaXdQqTC6ZcJ9XrnIvSWFtefQihiXnCuNODinqstXFVZGu2/+eymZ932Xrx+d29Txx7n7c4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773963072; c=relaxed/simple; bh=rdU75h+RxugSStenO8TGm97kuv724uVI0/nLR8CJmR0=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Dz3xfMsGe8wDlLrdVtMJkO0YfAmlPiwyncr8jVPFPYLIfw24UgrT3nbtZ+82A3Y7l5NzNq4pCfOfWILHvnNhwMfdhS8fGTdaTY3ijb7oYTbKmCqIQwnZgbgloHDHdzk5Dar+VyVONV/lctBlj1MoAQnSq4Kip3dJkh+CwuAV2Xw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nLw1gwv9; 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="nLw1gwv9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E51CC2BC9E; Thu, 19 Mar 2026 23:31:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773963072; bh=rdU75h+RxugSStenO8TGm97kuv724uVI0/nLR8CJmR0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=nLw1gwv9tBT290w5jk0KbmKXTtHS+wFK5PEuLPVIIeE5M5dBEG03kGQsoiL87QBpH ot2ATfWWmGjXFe0NHztg+vofWw82idx6nD6xKKtqJzi1Xvn84+dPnoOWLd3zJPiABm A5YYxSl1Ph7QBu11zsoDNeHOs2f0i83XWfLYBQxFdbBor8b0yj7DGD7Z5Sjo5szxul blGBHBSyeM5GyC2VI/b8RoA4AIT3Eer4DPLX8MRKtgNeVS5AOJ5Y/l08W1Veko7ByH j/kZjzEkdu8Wy+vw1hkk/1rzqYHTjzf5AwWZbWvJ1MFf9JJyenyylMCD9HEV5rquuo yHos+ltsfNzNQ== Date: Thu, 19 Mar 2026 16:31:09 -0700 From: Jakub Kicinski To: Dragos Tatulea Cc: Jesper Dangaard Brouer , Byungchul Park , linux-mm@kvack.org, akpm@linux-foundation.org, netdev@vger.kernel.org, Mina Almasry , Toke Hoiland Jorgensen , linux-kernel@vger.kernel.org, kernel_team@skhynix.com, harry.yoo@oracle.com, ast@kernel.org, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, sdf@fomichev.me, saeedm@nvidia.com, leon@kernel.org, tariqt@nvidia.com, mbloch@nvidia.com, andrew+netdev@lunn.ch, edumazet@google.com, pabeni@redhat.com, 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, jackmanb@google.com, hannes@cmpxchg.org, ziy@nvidia.com, ilias.apalodimas@linaro.org, willy@infradead.org, brauner@kernel.org, kas@kernel.org, yuzhao@google.com, usamaarif642@gmail.com, baolin.wang@linux.alibaba.com, asml.silence@gmail.com, bpf@vger.kernel.org, linux-rdma@vger.kernel.org, sfr@canb.auug.org.au, dw@davidwei.uk, ap420073@gmail.com Subject: Re: [PATCH v5] mm: introduce a new page type for page pool in page type Message-ID: <20260319163109.58511b70@kernel.org> In-Reply-To: <05c0db9b-c92f-4758-a356-e035a174b5dd@nvidia.com> References: <20260316222901.GA59948@system.software.com> <20260316223113.20097-1-byungchul@sk.com> <05c0db9b-c92f-4758-a356-e035a174b5dd@nvidia.com> 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 Tue, 17 Mar 2026 12:06:51 +0100 Dragos Tatulea wrote: > > Should we handle this more gracefully here? (release pp resources) > > > Releasing of a leaked page_pool page could lead to many harder to track > side-effects further down the line. Isn't it better to simply let the > page in a leaked state? +1 that'd also be my intuition.