On Tue, Sep 01, 2026 at 12:01:31PM +0100, Lorenzo Stoakes (ARM) wrote: > With this change in place the kernel policy is now that all page tables are
s/all/userspace/ as subject implies? BTW, what is your take on kernel page tables? Do we want the same policy there. pagetable_free_kernel() is not RCU-safe as it is. > freed after an RCU grace period, and thus it is now safe to unconditionally > perform page table walks under RCU, safe in the knowledge that page tables > will not be freed underneath the walker. -- Kiryl Shutsemau / Kirill A. Shutemov
