Messages in this thread | | | From | Pavel Tatashin <> | Date | Mon, 9 Oct 2017 14:59:09 -0400 | Subject | Re: [PATCH v9 09/12] mm/kasan: kasan specific map populate function |
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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
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