Re: [PATCH 1/1] mm/pgtable/debug: Add test validating architecture page table helpers

2019-09-06 Thread Anshuman Khandual
On 09/05/2019 02:29 PM, Kirill A. Shutemov wrote: > On Thu, Sep 05, 2019 at 01:48:27PM +0530, Anshuman Khandual wrote: +#define VADDR_TEST(PGDIR_SIZE + PUD_SIZE + PMD_SIZE + PAGE_SIZE) >>> >>> What is special about this address? How do you know if it is not occupied >>> yet? >> >> We

Re: [PATCH 1/1] mm/pgtable/debug: Add test validating architecture page table helpers

2019-09-06 Thread Gerald Schaefer
On Fri, 6 Sep 2019 11:58:59 +0530 Anshuman Khandual wrote: > On 09/05/2019 10:36 PM, Gerald Schaefer wrote: > > On Thu, 5 Sep 2019 14:48:14 +0530 > > Anshuman Khandual wrote: > > > >>> [...] > + > +#if !defined(__PAGETABLE_PMD_FOLDED) && !defined(__ARCH_HAS_4LEVEL_HACK) > +