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Miller" , Jakub Kicinski , Jesper Dangaard Brouer , Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Andrew Lunn , Eric Dumazet , Paolo Abeni , Ilias Apalodimas , Simon Horman , Andrew Morton , Mina Almasry , Yonglong Liu , Yunsheng Lin , Pavel Begunkov , Matthew Wilcox , netdev@vger.kernel.org, bpf@vger.kernel.org, linux-rdma@vger.kernel.org, linux-mm@kvack.org, Qiuling Ren , Yuying Ma , gregkh@linuxfoundation.org, sashal@kernel.org Subject: Re: [PATCH net-next v9 2/2] page_pool: Track DMA-mapped pages and unmap them when destroying the pool Message-ID: References: <20250409-page-pool-track-dma-v9-0-6a9ef2e0cba8@redhat.com> <20250409-page-pool-track-dma-v9-2-6a9ef2e0cba8@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20250409-page-pool-track-dma-v9-2-6a9ef2e0cba8@redhat.com> X-Stat-Signature: egq7qm8hetjgxhurkxyt1dszqrp5qdro X-Rspamd-Queue-Id: 96B5640002 X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1749659750-928269 X-HE-Meta: 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 1nlbe2TN 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello Toke, On Wed, Apr 09, 2025 at 12:41:37PM +0200, Toke Høiland-Jørgensen wrote: > Fixes: ff7d6b27f894 ("page_pool: refurbish version of page_pool code") Do you have plan to backport this fix to LTS kernels? I am getting some of these crashes on older kernel, and I am curious if there are plans to backport this to LTS kernels. --breno