Hi, [This is an automated email] This commit has been processed because it contains a "Fixes:" tag, fixing commit: 39dde65c9940 [PATCH] shared page table for hugetlb page. The bot has tested the following trees: v4.19.10, v4.14.89, v4.9.146, v4.4.168, v3.18.130, v4.19.10: Build OK! v4.14.89: Failed to apply! Possible dependencies: 285b8dcaacfc ("mm, hugetlbfs: pass fault address to no page handler") v4.9.146: Failed to apply! Possible dependencies: 1a1aad8a9b7b ("userfaultfd: hugetlbfs: add userfaultfd hugetlb hook") 369cd2121be4 ("userfaultfd: hugetlbfs: userfaultfd_huge_must_wait for hugepmd ranges") 7868a2087ec1 ("mm/hugetlb: add size parameter to huge_pte_offset()") 82b0f8c39a38 ("mm: join struct fault_env and vm_fault") 8fb5debc5fcd ("userfaultfd: hugetlbfs: add hugetlb_mcopy_atomic_pte for userfaultfd support") 953c66c2b22a ("mm: THP page cache support for ppc64") ace71a19cec5 ("mm: introduce page_vma_mapped_walk()") fd60775aea80 ("mm, thp: avoid unlikely branches for split_huge_pmd") v4.4.168: Failed to apply! Possible dependencies: 01c8f1c44b83 ("mm, dax, gpu: convert vm_insert_mixed to pfn_t") 0e749e54244e ("dax: increase granularity of dax_clear_blocks() operations") 34c0fd540e79 ("mm, dax, pmem: introduce pfn_t") 369cd2121be4 ("userfaultfd: hugetlbfs: userfaultfd_huge_must_wait for hugepmd ranges") 52db400fcd50 ("pmem, dax: clean up clear_pmem()") 66b3923a1a0f ("arm64: hugetlb: add support for PTE contiguous bit") 7868a2087ec1 ("mm/hugetlb: add size parameter to huge_pte_offset()") 82b0f8c39a38 ("mm: join struct fault_env and vm_fault") 9973c98ecfda ("dax: add support for fsync/sync") ac401cc78242 ("dax: New fault locking") b2e0d1625e19 ("dax: fix lifetime of in-kernel dax mappings with dax_map_atomic()") bae473a423f6 ("mm: introduce fault_env") bc2466e42573 ("dax: Use radix tree entry lock to protect cow faults") e4b274915863 ("DAX: move RADIX_DAX_ definitions to dax.c") f9fe48bece3a ("dax: support dirty DAX entries in radix tree") v3.18.130: Failed to apply! Possible dependencies: 1038628d80e9 ("userfaultfd: uAPI") 15b726ef048b ("userfaultfd: optimize read() and poll() to be O(1)") 25edd8bffd0f ("userfaultfd: linux/Documentation/vm/userfaultfd.txt") 2f4b829c625e ("arm64: Add support for hardware updates of the access and dirty pte bits") 369cd2121be4 ("userfaultfd: hugetlbfs: userfaultfd_huge_must_wait for hugepmd ranges") 3f602d2724b1 ("userfaultfd: Rename uffd_api.bits into .features") 66b3923a1a0f ("arm64: hugetlb: add support for PTE contiguous bit") 6910fa16dbe1 ("arm64: enable PTE type bit in the mask for pte_modify") 736d2169338a ("parisc: Add Huge Page and HUGETLBFS support") 7868a2087ec1 ("mm/hugetlb: add size parameter to huge_pte_offset()") 82b0f8c39a38 ("mm: join struct fault_env and vm_fault") 83cde9e8ba95 ("mm: use new helper functions around the i_mmap_mutex") 86039bd3b4e6 ("userfaultfd: add new syscall to provide memory externalization") 874bfcaf79e3 ("mm/xip: share the i_mmap_rwsem") 8d2afd96c203 ("userfaultfd: solve the race between UFFDIO_COPY|ZEROPAGE and read") 93ef666a094f ("arm64: Macros to check/set/unset the contiguous bit") a9b85f9415fd ("userfaultfd: change the read API to return a uffd_msg") ac401cc78242 ("dax: New fault locking") ba85c702e4b2 ("userfaultfd: wake pending userfaults") bae473a423f6 ("mm: introduce fault_env") bc2466e42573 ("dax: Use radix tree entry lock to protect cow faults") d475c6346a38 ("dax,ext2: replace XIP read and write with DAX I/O") de1414a654e6 ("fs: export inode_to_bdi and use it in favor of mapping->backing_dev_info") dfa37dc3fc1f ("userfaultfd: allow signals to interrupt a userfault") e4b274915863 ("DAX: move RADIX_DAX_ definitions to dax.c") ecf35a237a85 ("arm64: PTE/PMD contiguous bit definition") f24ffde43237 ("parisc: expose number of page table levels on Kconfig level") How should we proceed with this patch? -- Thanks, Sasha