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Miller" , 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 Subject: Re: [PATCH net-next v3 0/3] Fix late DMA unmap crash for page pool Message-ID: <20250326044855.433a0ed1@kernel.org> In-Reply-To: <20250326-page-pool-track-dma-v3-0-8e464016e0ac@redhat.com> References: <20250326-page-pool-track-dma-v3-0-8e464016e0ac@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: D83B31C0013 X-Stat-Signature: 57au4b3pnwrcwdo6szy1bgx1jqtpubfu X-Rspam-User: X-Rspamd-Server: rspam12 X-HE-Tag: 1742989738-161433 X-HE-Meta: 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 qXFyuYsz y59uOGAuiwv7kQBck25GalQMCYbQKNX+w9bmuia+Khv+jmrXNqQaM8CixYCGE5kFaiQziyH4QWVuYtX0AXxaYePtvE/F+Hsk9DQrQMuLWidk8VxsXGbH4Dva3mPDIu5lLxPpiw8fC3qo644Pw2lDTtv6AngDbI5m74NG6HOT3hjd4qoW4shoIdWiT1fBTV5rUv4J9BZ2gSG+fUE4J4SKq/MwJHj/391ahK4HwroyJvWkcn/A9I76UADRVJoJa3XBBN2XbHfQn/OnI7bJV+RPAfj9n465eMCk8cohfcHyNnJ5b3i0K7zPfIMygdsbXNtrZ2LkFZRlB8eKdc2YfWXYzP+STAg== 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: On Wed, 26 Mar 2025 09:18:37 +0100 Toke H=C3=B8iland-J=C3=B8rgensen wrote: > This series fixes the late dma_unmap crash for page pool first reported > by Yonglong Liu in [0]. It is an alternative approach to the one > submitted by Yunsheng Lin, most recently in [1]. The first two commits > are small refactors of the page pool code, in preparation of the main > change in patch 3. See the commit message of patch 3 for the details. Doesn't apply, FWIW, maybe rebase/repost after Linus pull net-next,=20 in case something conflicts on the MM side --=20 pw-bot: cr