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U2FsdGVkX1/3ScdmRS54KaRzCRIhpIrwFFBYIlkn8ha3Mk3pA05XO5W/6BbKVlIfEbwM5yhMirNmkQnOMn6Y/v4cd2ys0jphWipizKYAXh65A9rs5mgVFVq8FPXvVU1ZWOwdxmhsyeVVrqp3Wx5Rxm0FDQDyvGOa1s+ps3Ms9gKybsNJRFHOahiwHqQ9VJnlvlgSFoZ2stkELySMsMitUxxE4Qi3yjGy2+crrRKJi6pxemnqE8n+z2UKWA3jtnzXbEFEwzZy0kw74mmF34cFygH46mrRlrgGYWKj4qljTpvoEUj/AMEJemCGZle+AUeDHfuHDxxiFMaVnE1gSytpVui8jUv09FFNE7jCsC4wvxUdRFpu9NV+G+4F3CxTPTv/75GNXp6I+lH8BQrOY1y8AKmjoqiVEfrlJIACABSiQAF/7Hb2LrT/9Y3S9z/INKq5o2CQB3n8W/X7FA/jwJ11stsazmibWcnAHVRI2AzU1XCMjtj32vQign4iBlSgG8cmkqTWoGbz7/EuJ1PM3oxnefW0CelJuAN9xT6E5perr1Y10mr1v4Who1aAaZ3z2O8PY/IOZFqSku5Dq9DztAtPpSpBLHXIUPbwsRUqcdDLKlqzkYK/70GaYbnxskyYo2cYqHe2IqFhsotMPXm2go9RRwZ/pASq5FUBGcDlV/ebaenHTDt8cn7JVVXnHkGBZrrEocD8aiwt6M0yNm/hZ+XzRl+FSArc91Y4j25z3r5P6KMTvmgfhMlHWcnfR+me+qhAsg2XDbx/g47OwaEYAi63Qs3UujPKSVu/Bzvmf63jYxiVAS0fH10Szp4VSLN7XuEMBOEU5KRuzrL+08xg7c3/X8eanZ3iM4CNPbNkFzHJiF1Gl3w2yQKC/tgB8miMRRqld2KDK2y08fumH4MuiK62EtzjofqWw1PoNyI6f9waJwDNGEAO/nc247zPFresXR9+4cmEozEYNo0RaqCnH65 k2plQ/KW 406ICwqX4UwRvEwyvCCMRXGJ+6MVXPFRYtHlAcRyHGZ73GO4cMSPP9hIXF1TgBraaWU3bwIPEc1wEPGSWZupa7BijDHasJ5TqJCdhQKKCDn3g/ly2rd180Ykgabdm19I6uyAs 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: David Hildenbrand (Red Hat) writes: > On 27.10.25 21:21, Ankur Arora wrote: >> Introduce clear_pages(), to be overridden by architectures that >> support more efficient clearing of consecutive pages. >> Also introduce clear_user_pages(), however, we will not expect >> this function to be overridden anytime soon. >> We have to place the clear_user_pages() variant that uses >> clear_user_page() into mm/util.c for now to work around >> macro magic on sparc and m68k. >> Signed-off-by: Ankur Arora >> --- >> include/linux/mm.h | 41 +++++++++++++++++++++++++++++++++++++++++ >> mm/util.c | 13 +++++++++++++ >> 2 files changed, 54 insertions(+) >> diff --git a/include/linux/mm.h b/include/linux/mm.h >> index 683168b522b3..ecbcb76df9de 100644 >> --- a/include/linux/mm.h >> +++ b/include/linux/mm.h >> @@ -3872,6 +3872,26 @@ static inline void clear_page_guard(struct zone *zone, struct page *page, >> unsigned int order) {} >> #endif /* CONFIG_DEBUG_PAGEALLOC */ >> +#ifndef __HAVE_ARCH_CLEAR_PAGES > > Also here, let's base it on > > #ifndef clear_pages > > and similarly below for clear_user_pages. Sounds good. For this one and the other. > (sorry for the back-and-forth, it's rather unclear what the best practice is) No worries. -- ankur