Hi, This series brings THP support to ARC. It also introduces an optional new thp hook for arches to possibly optimize the TLB flush in thp regime. Please review ! Changes Since v1 [*] - Rebased against v4.3-rc2 - Switched ARC pgtable_t to pte_t * (Kiril) - Removed stub implementations for (Andrew) pmdp_set_access_flags, pmdp_test_and_clear_young, pmdp_set_wrprotect, pmdp_collapse_flush, pmd_same [*] http://lkml.kernel.org/r/1440666194-21478-1-git-send-email-vgupta@xxxxxxxxxxxx Vineet Gupta (12): ARC: mm: switch pgtable_to to pte_t * ARC: mm: pte flags comsetic cleanups, comments ARC: mm: Introduce PTE_SPECIAL Documentation/features/vm: pte_special now supported by ARC ARCv2: mm: THP support ARCv2: mm: THP: boot validation/reporting Documentation/features/vm: THP now supported by ARC mm: move some code around mm,thp: reduce ifdef'ery for THP in generic code mm,thp: introduce flush_pmd_tlb_range ARCv2: mm: THP: Implement flush_pmd_tlb_range() optimization ARCv2: Add a DT which enables THP Documentation/features/vm/THP/arch-support.txt | 2 +- .../features/vm/pte_special/arch-support.txt | 2 +- arch/arc/Kconfig | 4 + arch/arc/boot/dts/hs_thp.dts | 59 +++++++++++++ arch/arc/include/asm/hugepage.h | 82 ++++++++++++++++++ arch/arc/include/asm/page.h | 5 +- arch/arc/include/asm/pgalloc.h | 6 +- arch/arc/include/asm/pgtable.h | 60 +++++++------ arch/arc/mm/tlb.c | 76 ++++++++++++++++- arch/arc/mm/tlbex.S | 21 +++-- include/asm-generic/pgtable.h | 49 ++++------- mm/huge_memory.c | 2 +- mm/pgtable-generic.c | 99 ++++++++++------------ 13 files changed, 345 insertions(+), 122 deletions(-) create mode 100644 arch/arc/boot/dts/hs_thp.dts create mode 100644 arch/arc/include/asm/hugepage.h -- 1.9.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>