On Tue, Sep 24, 2019 at 02:51:01PM +0300, Kirill A. Shutemov wrote: > 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? For ARM32 it's defined only for 3-lelel page tables, i.e with LPAE on. For IA64 it's defined for !STRICT_MM_TYPECHECKS which is even not a config option, but a define in arch/ia64/include/asm/page.h > -- > Kirill A. Shutemov -- Sincerely yours, Mike.
