[PATCH v2 0/6] mrermap fixes

[Aneesh Kumar K.V]

This patch series is split out series from [PATCH v7 00/11] Speedup mremap on ppc64
(https://lore.kernel.org/linux-mm/20210607055131.156184-1-aneesh.kumar@linux.ibm.com)
dropping ppc64 specific changes.

This patchset is dependent on
https://lore.kernel.org/linux-mm/20210615110859.320299-1-aneesh.kumar@linux.ibm.com

ppc64 specific changes will be sent as a separate series depending on this patchset.

Changes from v1:
* cc stable at kernel.org
* USe the correct config for TRANSPARENT_HUGEPAGE_PUD
* use pud_pgtable instead of pud_page_vaddr


Aneesh Kumar K.V (6):
  selftest/mremap_test: Update the test to handle pagesize other than 4K
  selftest/mremap_test: Avoid crash with static build
  mm/mremap: Convert huge PUD move to separate helper
  mm/mremap: Don't enable optimized PUD move if page table levels is 2
  mm/mremap: Use pmd/pud_poplulate to update page table entries
  mm/mremap: hold the rmap lock in write mode when moving page table
    entries.

 mm/mremap.c                              |  92 +++++++++++++++---
 tools/testing/selftests/vm/mremap_test.c | 118 ++++++++++++-----------
 2 files changed, 142 insertions(+), 68 deletions(-)

-- 
2.31.1