On Tue, Nov 01, 2022 at 10:12:35PM -0500, Kalra, Ashish wrote: > Following up on this, now, set_memory_present() is a static interface, > so will need do add a new external API like set_memory_p() similar > to set_memory_np(). It is called set_memory_p() now and you can "un-static" it. :) > So currently there is no interface defined for changing the attribute of a > range to present or restoring the range in the direct map. No? static int set_memory_p(unsigned long *addr, int numpages) { return change_page_attr_set(addr, numpages, __pgprot(_PAGE_PRESENT), 0); } :-) -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette