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 XD8Jp9Ll XCRNkPSKG2OyGP15lwG7FMWfU7aIMaCup71NPM89pOeA4IbO7guF6Aenp4jE4FgyYRz3Z6N2AaoqkB4BScg9vlFiqKhJ+SPhWzKcWBKpHp4JFqHhC9zsFgIu5+cCXKEBkvmYQmGcEcB6TBcRL3PTX0Bz+mR5UjD63mL59moMy74yygq7sWfaZAxh26/Lq9MFZBtoa+xvcr6vsS6tnjK2SvjuoiQtZMMOJd2FhKaUdyO6up/tiyX51sn54HCFzhL4pFkZ4C2cp+IkMq7VZCW50etQ9Fl2N5koo27fAnMbub7S1EsIn+tC/U+q9PtBBXXbCfAIHoU/XxLihmlT+3nKklIQDq3zhNtpIq3kNfJQ94gRAXElIAWf8p3Ss8SDz9g8sArNG8wzw6vsS2hkfjNeeiTSlKeEA2CbSGUUJXYhYPrhpSaU= 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: Hi Andrew, On 7/29/2023 1:24 AM, Andrew Morton wrote: > On Sat, 29 Jul 2023 00:13:54 +0800 Yin Fengwei wrote: > >> In madvise_cold_or_pageout_pte_range() and madvise_free_pte_range(), >> folio_mapcount() is used to check whether the folio is shared. But it's >> not correct as folio_mapcount() returns total mapcount of large folio. >> >> Use folio_estimated_sharers() here as the estimated number is enough. > > What are the user-visible runtime effects of these changes? > > (and please try to avoid using the same Subject: for different patches) > Can you hold on these patches to mm-unstable? I think we need to wait for David's work on folio_maybe_mapped_shared() and redo the fix base on that. Thanks and sorry for the noise. Regards Yin, Fengwei