[1] https://lore.kernel.org/all/f1783ff0-65bd-4b2b-8952-52b6822a0835@xxxxxxxxxx/ Changes from v3: - Drop 'force' and 'deny' testing options for each mTHP. - Use new helper update_mmu_tlb_range(), per Lance. - Update documentation to drop "anonymous thp" terminology, per David. - Initialize the 'suitable_orders' in shmem_alloc_and_add_folio(), reported by kernel test robot. - Fix the highest mTHP order in shmem_get_unmapped_area(). - Update some commit message. Changes from v2: - Rebased to mm/mm-unstable. - Remove 'huge' parameter for shmem_alloc_and_add_folio(), per Lance. Changes from v1: - Drop the patch that re-arranges the position of highest_order() and next_order(), per Ryan. - Modify the finish_fault() to fix VA alignment issue, per Ryan and David. - Fix some building issues, reported by Lance and kernel test robot. - Update some commit message. Changes from RFC: - Rebase the patch set against the new mm-unstable branch, per Lance. - Add a new patch to export highest_order() and next_order(). - Add a new patch to align mTHP size in shmem_get_unmapped_area(). - Handle the uffd case and the VMA limits case when building mapping for large folio in the finish_fault() function, per Ryan. - Remove unnecessary 'order' variable in patch 3, per Kefeng. - Keep the anon shmem counters' name consistency. - Modify the strategy to support mTHP for anonymous shmem, discussed with Ryan and David. - Add reviewed tag from Barry. - Update the commit message. Baolin Wang (6): mm: memory: extend finish_fault() to support large folio mm: shmem: add THP validation for PMD-mapped THP related statistics mm: shmem: add multi-size THP sysfs interface for anonymous shmem mm: shmem: add mTHP support for anonymous shmem mm: shmem: add mTHP size alignment in shmem_get_unmapped_area mm: shmem: add mTHP counters for anonymous shmem Documentation/admin-guide/mm/transhuge.rst | 23 ++ include/linux/huge_mm.h | 23 ++ mm/huge_memory.c | 17 +- mm/memory.c | 57 +++- mm/shmem.c | 344 ++++++++++++++++++--- 5 files changed, 403 insertions(+), 61 deletions(-) -- 2.39.3
