Hi Will, > We have two table walks even with your patch series applied afaict: one in > our definition of vmemmap_populate (arch/arm64/mm/mmu.c) and this one > in the core code. I meant to say implementing two new page table walkers, not at runtime. > My worry is that these are actually highly arch-specific, but will likely > grow more users in mm/ that assume things for all architectures that aren't > necessarily valid. I see, how about moving new kasan_map_populate() implementation into arch dependent code: arch/x86/mm/kasan_init_64.c arch/arm64/mm/kasan_init.c This way we won't need to add pmd_large()/pud_large() macros for arm64? Pavel -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html