On Fri, Oct 09, 2015 at 03:03:26PM +0530, Vineet Gupta wrote:

On Thursday 01 October 2015 11:32 AM, Vineet Gupta wrote:

quoted

On Tuesday 22 September 2015 04:04 PM, Vineet Gupta wrote:

quoted

quoted

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@synopsys.com

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

Andrew, Kirill, could you please review/ack the generic mm bits atleast so I can
proceed with moving the stuff into linux-next !

Ping 2 !

Sorry.

Can I please get some acks on the generic mm bits. Some of the changes
will likely collide Kirill's THP rework !

Could you check if it acctually collides?

Given people rebase off of mmtomm would it be better if generic patches went thru
Andrew and probably included sooner for 4.4 target ?

-Vineet

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