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[96.255.20.138]) by smtp.gmail.com with ESMTPSA id af79cd13be357-891cf0af579sm568871285a.41.2025.10.20.07.22.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Oct 2025 07:22:49 -0700 (PDT) Date: Mon, 20 Oct 2025 10:22:47 -0400 From: Gregory Price To: David Hildenbrand Cc: linux-mm@kvack.org, osalvador@suse.de, corbet@lwn.net, muchun.song@linux.dev, akpm@linux-foundation.org, hannes@cmpxchg.org, laoar.shao@gmail.com, mclapinski@google.com, joel.granados@kernel.org, jack@suse.cz, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Mel Gorman , Michal Hocko , Alexandru Moise <00moses.alexander00@gmail.com>, David Rientjes Subject: Re: [RFC PATCH] mm, hugetlb: implement movable_gigantic_pages sysctl Message-ID: References: <20251009161515.422292-1-gourry@gourry.net> <6fe3562d-49b2-4975-aa86-e139c535ad00@redhat.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6fe3562d-49b2-4975-aa86-e139c535ad00@redhat.com> On Mon, Oct 20, 2025 at 04:17:06PM +0200, David Hildenbrand wrote: > On 09.10.25 18:15, Gregory Price wrote: > > However, it also means that we won't try moving 2MB folios to free up a 1GB > folio. > This may actually explain some other behavior we've been seeing, re: reliability of 1GB allocations. Let me ask some folks to look at this. Thanks David, ~Gregory