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X-Proofpoint-GUID: Dd0-l9XPMaaCWzPJ3IrzqPPHUmSTlndG X-Proofpoint-ORIG-GUID: Dd0-l9XPMaaCWzPJ3IrzqPPHUmSTlndG X-Stat-Signature: dci37z4mn3fxm9fxwnz4zxyou8b71ab6 X-Rspamd-Queue-Id: 99E36A0022 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1726671080-157268 X-HE-Meta: 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 IvP4yI1j 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file *memfd, loff_t start, loff_t end, >> return ret; >> } >> EXPORT_SYMBOL_GPL(memfd_pin_folios); >> + >> +/** >> + * repin_folio_unhugely() - repin a folio at small page granularity >> + * @folio: the folio to repin >> + * @npin: the number of pages pinned in the folio >> + * >> + * Given a huge page folio that is already pinned, and the number of small >> + * pages that are pinned in it, adjust the pincount to reflect small-page >> + * granularity. Each small page can later be unpinned individually. >> + */ > > I think the language choice here is probably not entirely consistent > with the rest of the code Yes, a good name was not obvious to me, to I submitted a slightly flippant name to generate some discussion :) > > Maybe > > folio_split_user_page_pin(folio, npages) > @npages: The new number of pages the folio pin reference should hold > > Given a high order folio that is already pinned adjust the reference > count to allow unpin_user_page_range() and related to be called on a > the folio. npages is the number of pages that will be passed to a > future unpin_user_page_range(). > > Which anchors it in the purpose a little more Thanks, I will use this if no one objects. - Steve > The implementation looked OK to me > > Jason