On Fri, Apr 17, 2026 at 01:26:34PM +0100, Kiryl Shutsemau wrote: > > Leaving NUMA-balancing aside, a simple > > mprotect(PROT_NONE)+mprotect(PROT_READ) would already be problematic to > > distinguish both cases. > > Hm. I didn't consider this case (miss some uffd lore). Will rework to > reuse existing PTE bit.
See https://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git uffd/rfc-v3 -- Kiryl Shutsemau / Kirill A. Shutemov
