Re: [PATCH V3 0/2] mm/debug: Add tests for architecture exported page table helpers

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On Fri, Sep 20, 2019 at 12:03:21PM +0530, Anshuman Khandual wrote:
> This series adds a test validation for architecture exported page table
> helpers. Patch in the series adds basic transformation tests at various
> levels of the page table. Before that it exports gigantic page allocation
> function from HugeTLB.
> 
> This test was originally suggested by Catalin during arm64 THP migration
> RFC discussion earlier. Going forward it can include more specific tests
> with respect to various generic MM functions like THP, HugeTLB etc and
> platform specific tests.
> 
> https://lore.kernel.org/linux-mm/20190628102003.GA56463@xxxxxxxxxxxxxxxxxxxx/
> 
> Testing:
> 
> Successfully build and boot tested on both arm64 and x86 platforms without
> any test failing. Only build tested on some other platforms. Build failed
> on some platforms (known) in pud_clear_tests() as there were no available
> __pgd() definitions.
> 
> - ARM32
> - IA64

Hm. Grep shows __pgd() definitions for both of them. Is it for specific
config?


-- 
 Kirill A. Shutemov



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