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Sun, 26 Nov 2023 15:20:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701012025; bh=92hW5enAmOBKxY4vzxSmi3alznCV1aHasRQ+6W1CiYY=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=JRHx5dvYZYCmlLQBdLmO9pAj+9FHLi0LhQumCYCtQE0zaQf5ywbN0e+L7Bvrfc8pP 18GMn/JBow8FqxcBgjjGFH44zd5RSoRym4eWJEOTRS0rWUzZ0V+XcqTgaBYQcGdnKc ljmJ0y2jBBwQxGvJ9kYMzGn7G1RYleYwERj2ZjhlebAU7tFFKWCvCK4uVsIsYOxXxI v6ELNP5sQzDkdHhUrVw4gU8Y8S3Ufm/xoNLGntLTCfg9zXnIOmeRnN+I9E7LTOPVy2 SZgASCFibiLOXSm+GqLMLvJCvCHVHSXBQcEzo/bjfDs3BfAEfc5qE5K6kasR2s0rTe ephr8grqU4QfQ== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 8A73EC39562; Sun, 26 Nov 2023 15:20:25 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next] mm/page_pool: catch page_pool memory leaks From: patchwork-bot+netdevbpf@kernel.org Message-Id: <170101202556.2351.9731751321598377957.git-patchwork-notify@kernel.org> Date: Sun, 26 Nov 2023 15:20:25 +0000 References: <170082101266.1085481.12199867179160710331.stgit@firesoul> In-Reply-To: <170082101266.1085481.12199867179160710331.stgit@firesoul> To: Jesper Dangaard Brouer Cc: netdev@vger.kernel.org, kuba@kernel.org, vbabka@suse.cz, bpf@vger.kernel.org, eric.dumazet@gmail.com, davem@davemloft.net, pabeni@redhat.com, linux-mm@kvack.org, akpm@linux-foundation.org, mgorman@techsingularity.net, willy@infradead.org, kernel-team@cloudflare.com X-Rspam-User: X-Stat-Signature: wy4pw6jkzeytm61njwpokhh7e7fmw1r4 X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: AC69F160012 X-HE-Tag: 1701012031-11852 X-HE-Meta: U2FsdGVkX1/4W/A0litiwZNf0C8J/AWbcFK97CYMZXRQph7XbQ6WNY13eQSxX3eUev+BV7NhCiUm6PNOm3MgSI4ZJd0xonT3cMvXf1ZF24s2CN+JnzrVXg64rmxHJcfy8klYbbUUWf5AXYAy0atRAM2mJPok36Ae0bpcB+2dyAmY3Ancv36/Q5/XccLySpgTOGESxHoXrsRlCeXLgnY9NTtK/bFvhB+MgYRai/ZS6+WXpjSL9Bv+hspdkL+6JOiIwqDPLJwnYHZxEQLLC46xcNbtMmf2wmDfard51wcmCLjfdu87hV/GH6Ph6yRHScFj5l7Ixv5U//d51DL5+dzmZmZaEOapDV+r0xbW9bSEtNaAessdlnbpfbVT9jNOD0iI3h5aWA1LuPt8/RU+wKzcuwrzngZqeFBpN1FkbYvk7daqna86M0bOVAFhrgiGOnBKW4hoJ9KMETyWQVFpoLkSS6L0dgxJxCUKrGxwWyhwW3g0ABJi201MVxQzoxxZd5Ml6yJTzGIinzTRpOb/XKml3JY1y5ZfjN0FrB3FSw9Q2m4Qz3rI7MIAASnvIWuoaQxVP8/lG47e6WJcEF0kTQhh8lDPiss3cnX3PvAYWok2JusCp80xFCL7Ah+vD6m7ZRxPJHWDd+UwVYbJXtEbSNGppDC5WU5Yp4h2DltvyYCrbRYG+cQTjKzX2Dg75OqL3atBUunnzdxfU+nGBnHVHhqjpL0VQw2w4Q1HyriZoKHAZc+m0aS+1DSYHetg22i3bsukJC1AxJMN8yixRjSkg8iyZUe+yqiQ7Zs5kWodgs63bQXKR9dD8JlpdpP54IUZLX8jX6aBlEvnA0Ebzo/pHi3T9h2E9DIl5bS6ykKyN+E6UUAzZx3DE4zwNGIO78mKsFkjI1v79wCrxXDhGxNnaiO5YMhCwWwGgLDY3s204aRdRFJDFT3GZ4YXXegi5Z7EAGy8aOxngaW0unTIqmBRB29 22qnS9xS Kfjf2mKPWAYQuWtVpjh+Ilt/9b3iprSAm3dXgHKcA6M5CLNipqiNV5XDasCEYMasuC9QFRRybGuk4NNnauqb9pHMTv4QvBPyXIfQ50RLni0svlU+GCL5vF7V1X1azgBCFR/5aiEXWkRimYZV3LGiasLcXob84zHjF49PPIAZgS9FIXZPwdMZgmUFzlr9UqyXmzkQkwD9N6YfNagCKcgIBLt5S7jwexfbFo5GRsQKs1EOu3Qol/24OdGZq1i6yGOsAawAF8dRZ8CJ78BDZhpgUDjx8XZSE/oyjMdk4QF+admlE5ahCC7vn0rv1u4AIlAVBmiZ1Rju0Fe/MAAEyPAhz/lQxdGFviyVPj3jtwCxdLvbqw58XbCMwwZ4POxYQe7T4v2X1A+28E5bPuHpTJC4xln6IVPZMHD+aP+TC/GOdL60tQOqXSeLa7j0BUA+QgKdGObCJLjZS7ox4k74= 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: This patch was applied to netdev/net-next.git (main) by David S. Miller : On Fri, 24 Nov 2023 11:16:52 +0100 you wrote: > Pages belonging to a page_pool (PP) instance must be freed through the > PP APIs in-order to correctly release any DMA mappings and release > refcnt on the DMA device when freeing PP instance. When PP release a > page (page_pool_release_page) the page->pp_magic value is cleared. > > This patch detect a leaked PP page in free_page_is_bad() via > unexpected state of page->pp_magic value being PP_SIGNATURE. > > [...] Here is the summary with links: - [net-next] mm/page_pool: catch page_pool memory leaks https://git.kernel.org/netdev/net-next/c/dba1b8a7ab68 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html