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Perez de Azpillaga" , akpm@linux-foundation.org, muchun.song@linux.dev, osalvador@suse.de, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/hugetlb: avoid recursive i_mmap_rwsem in PMD sharing Message-ID: References: <20260930064308.58159-1-lizhe.67@bytedance.com> <9a7c026e-f5f2-40e0-84aa-919c988cc136@bytedance.com> <2b4571c5-8e51-4c91-9d88-11929f200875@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2b4571c5-8e51-4c91-9d88-11929f200875@kernel.org> X-Stat-Signature: mdao8jof4in6hejhwk1o9q7kbyt5gk71 X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: C4DA0140006 X-HE-Tag: 1791546769-812527 X-HE-Meta: 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 onQjwvyw oeh9fU8i1fyKiPW8NVDQUjaZwVud4++7SnGOwG3cjZOIAvrDYzVyXumvaVRl101OjYdqU9ukJ2HiAVJgfQqFs5PSwc5LDSQ2xlA2Ow+/0Ahd4jNlyuqpmvEAZ9MaxELW/XkcmgimlSKUT7qggiqr1xjYm4I2Ov2eMQTtHf54ji6Ytjs3hwZHO8daXArPZFgbGf0P69aJvwrO2Z1pzGCcku/k+iIm45EPmAdJHDCxv8IQRn2iF/GqLDcvD3gLqJHTNBBIl/7CkIsuhzFJ4noJLV69yZqJrXzLDfrSIjro4sG7J8nA= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Oct 05, 2026 at 11:25:01AM +0200, David Hildenbrand (Arm) wrote: > > David mentioned that Oscar was planning to send a proper fix for this > > issue, so I will wait for that patch instead of moving forward with this > > trylock fallback approach. > @Lorenzo, if Oscar is too busy, I guess we can paste the overall idea for the > fix here as well (publicly)? Yeah I don't see why not! I don't think there's anything that needs to be private here. -- Cheers, Lorenzo