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b=AwGlbLg2cKsA86/YUdIRMXJZCaG67B++2lBKT0134dY4vyEt7LUemrP/hPQppBzy5 ME5FIXbl9rLktZSBWDe83M7akRVNmmjHhzN7Y37bu2/NiEnkd7E9P/Yjt76n6Jo9g2 3IWvJMbr0wTRxmdmA1p0gSTRA7lXmQ7tl5QjmMV8= Date: Tue, 8 Sep 2026 19:54:18 -0700 From: Andrew Morton To: Hongfu Li Cc: hughd@google.com, baolin.wang@linux.alibaba.com, vivek.kasireddy@intel.com, muchun.song@linux.dev, osalvador@suse.de, david@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Hongfu Li Subject: Re: [PATCH v2] mm/memfd: fix hugetlb reservation accounting in error paths Message-Id: <20260908195418.c5ef0f3fbc2b3bec405cd652@linux-foundation.org> In-Reply-To: <638ae9ae-2cbc-47a4-85fd-52b67b74e351@linux.dev> References: <20260903030134.7407-1-hongfu.li@linux.dev> <20260903132158.a2d6f965477220838d884bae@linux-foundation.org> <638ae9ae-2cbc-47a4-85fd-52b67b74e351@linux.dev> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Stat-Signature: yu4jzhb9xf11nknh4yf8gn4gky5nadwm X-Rspamd-Queue-Id: 82FD720002 X-Rspamd-Server: rspam07 X-HE-Tag: 1788922460-465927 X-HE-Meta: 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 tM3B4MUS ypox0Vi+byxQ3glbxKpR21UrcAu7jVBWHrIxAk7BoD+vTFpPR5oBb111fClBVzQopB8g2/E5w592NzT+TiT03B3ujGzgKNbNmcHv5YVVrO63uXN9aV04m9yJJXuc2Z57RWqTfo00cBYNdjvOis6fC+N+F/OOnO10raGmed7rdJHAocx5UIIKME7xqBWURZJ3XrDQVPXuUcl68b+lKRZmmt1s1CBukICV9Q5Sr1Pi3Y4beYZUK0aMsqB5pMw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 8 Sep 2026 09:35:23 +0800 Hongfu Li wrote: > > To help people understand why we propose a backport and to help others > > understand the impact the fix will have upon their system, I'll paste > > the above into the changelog. Please send any necessary corrections. > > > > > > Please also update your prompts (if using them) to ensure that the > > changelogging includes this info in the future. > > > > > > I'll queue it for testing and shall await maintainer review. > > > Thanks for the detailed explanation. > > I've updated the changelog to include the userspace-visible effects > and long-term impact as suggested. > > Would you prefer that I send a v2 now, or should I wait for maintainer > feedback first? Well, it's been five days. There have been 200,000 patches since then, so this series is at the far right end of the asymptote. Resend when convenient, please.