[PATCH V12] mm/debug: Add tests validating architecture page table helpers

[Qian Cai]

> On Jan 30, 2020, at 9:13 AM, Christophe Leroy <christophe.leroy at c-s.fr> wrote:
> 
> config DEBUG_VM_PGTABLE
>    bool "Debug arch page table for semantics compliance" if ARCH_HAS_DEBUG_VM_PGTABLE || EXPERT
>    depends on MMU
>    default 'n' if !ARCH_HAS_DEBUG_VM_PGTABLE
>    default 'y' if DEBUG_VM

Does it really necessary to potentially force all bots to run this? Syzbot, kernel test robot etc? Does it ever pay off for all their machine times there?