On 07/06/2020 06:18 AM, Anshuman Khandual wrote: > This series adds some more arch page table helper validation tests which > are related to core and advanced memory functions. This also creates a > documentation, enlisting expected semantics for all page table helpers as > suggested by Mike Rapoport previously (https://lkml.org/lkml/2020/1/30/40). > > There are many TRANSPARENT_HUGEPAGE and ARCH_HAS_TRANSPARENT_HUGEPAGE_PUD > ifdefs scattered across the test. But consolidating all the fallback stubs > is not very straight forward because ARCH_HAS_TRANSPARENT_HUGEPAGE_PUD is > not explicitly dependent on ARCH_HAS_TRANSPARENT_HUGEPAGE. > > Tested on arm64, x86 platforms but only build tested on all other enabled > platforms through ARCH_HAS_DEBUG_VM_PGTABLE i.e powerpc, arc, s390. The > following failure on arm64 still exists which was mentioned previously. It > will be fixed with the upcoming THP migration on arm64 enablement series. > > WARNING .... mm/debug_vm_pgtable.c:860 debug_vm_pgtable+0x940/0xa54 > WARN_ON(!pmd_present(pmd_mkinvalid(pmd_mkhuge(pmd)))) > > This series is based on v5.8-rc4. > > Changes in V4: > > - Replaced READ_ONCE() with ptep_get() while accessing PTE pointers per Christophe > - Fixed function argument alignments per Christophe +Cc - Zi Yan, Gerald Schaefer, Christophe Leroy The Cc list was not complete. Please do let me know if you could not retrieve all the four patches of the series from the list. - Anshuman
