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H5V8Hpao10GftvsDt2ZPP/BSrcDDSSBBHNC15W6c4B6UyP2H6jk6ncmzIYPHkhyHfO25Q44wJVomt+eZp6fB6OEvq8yeBOPiGzT9NQEZK5mu3TQDbKrGWowKz+c2ZsiKzZLcnsWaBOHdsniD3VOAW9Z3idxaeJlMVnLdC 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 Tue, Jun 17, 2025 at 10:45:53AM +0200, David Hildenbrand wrote: > mremap() is already an expensive operation ... so I think we need a pretty > convincing case to make this configurable by the user at all for each > individual mremap() invocation. My measurements suggest, unless you hit a very unfortunate case of -huge faulted in range all mapped PTE- that the work involved is not all that much more substantial in terms of order of magnitude than a normal mremap() operation. > > -- > Cheers, > > David / dhildenb >