Re: [PATCH] huegtlbfs: fix races and page leaks during migration

[Sasha Levin <sashal@kernel.org>]

Hi,

[This is an automated email]

This commit has been processed because it contains a "Fixes:" tag,
fixing commit: bcc54222309c mm: hugetlb: introduce page_huge_active.

The bot has tested the following trees: v4.20.8, v4.19.21, v4.14.99, v4.9.156, v4.4.174, v3.18.134.

v4.20.8: Build OK!
v4.19.21: Build OK!
v4.14.99: Failed to apply! Possible dependencies:
    5b7a1d406062 ("mm, hugetlbfs: rename address to haddr in hugetlb_cow()")

v4.9.156: Failed to apply! Possible dependencies:
    2916ecc0f9d4 ("mm/migrate: new migrate mode MIGRATE_SYNC_NO_COPY")
    369cd2121be4 ("userfaultfd: hugetlbfs: userfaultfd_huge_must_wait for hugepmd ranges")
    5b7a1d406062 ("mm, hugetlbfs: rename address to haddr in hugetlb_cow()")
    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")
    fd60775aea80 ("mm, thp: avoid unlikely branches for split_huge_pmd")

v4.4.174: Failed to apply! Possible dependencies:
    09cbfeaf1a5a ("mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros")
    0e749e54244e ("dax: increase granularity of dax_clear_blocks() operations")
    2916ecc0f9d4 ("mm/migrate: new migrate mode MIGRATE_SYNC_NO_COPY")
    2a28900be206 ("udf: Export superblock magic to userspace")
    4420cfd3f51c ("staging: lustre: format properly all comment blocks for LNet core")
    48b4800a1c6a ("zsmalloc: page migration support")
    5057dcd0f1aa ("virtio_balloon: export 'available' memory to balloon statistics")
    52db400fcd50 ("pmem, dax: clean up clear_pmem()")
    5b7a487cf32d ("f2fs: add customized migrate_page callback")
    5fd88337d209 ("staging: lustre: fix all conditional comparison to zero in LNet layer")
    a188222b6ed2 ("net: Rename NETIF_F_ALL_CSUM to NETIF_F_CSUM_MASK")
    b1123ea6d3b3 ("mm: balloon: use general non-lru movable page feature")
    b2e0d1625e19 ("dax: fix lifetime of in-kernel dax mappings with dax_map_atomic()")
    bda807d44454 ("mm: migrate: support non-lru movable page migration")
    c8b8e32d700f ("direct-io: eliminate the offset argument to ->direct_IO")
    d1a5f2b4d8a1 ("block: use DAX for partition table reads")
    e10624f8c097 ("pmem: fail io-requests to known bad blocks")

v3.18.134: Failed to apply! Possible dependencies:
    0722b1011a5f ("f2fs: set page private for inmemory pages for truncation")
    1601839e9e5b ("f2fs: fix to release count of meta page in ->invalidatepage")
    2916ecc0f9d4 ("mm/migrate: new migrate mode MIGRATE_SYNC_NO_COPY")
    31a3268839c1 ("f2fs: cleanup if-statement of phase in gc_data_segment")
    34ba94bac938 ("f2fs: do not make dirty any inmemory pages")
    34d67debe02b ("f2fs: add infra struct and helper for inline dir")
    4634d71ed190 ("f2fs: fix missing kmem_cache_free")
    487261f39bcd ("f2fs: merge {invalidate,release}page for meta/node/data pages")
    5b7a487cf32d ("f2fs: add customized migrate_page callback")
    67298804f344 ("f2fs: introduce struct inode_management to wrap inner fields")
    769ec6e5b7d4 ("f2fs: call radix_tree_preload before radix_tree_insert")
    7dda2af83b2b ("f2fs: more fast lookup for gc_inode list")
    8b26ef98da33 ("f2fs: use rw_semaphore for nat entry lock")
    8c402946f074 ("f2fs: introduce the number of inode entries")
    9be32d72becc ("f2fs: do retry operations with cond_resched")
    9e4ded3f309e ("f2fs: activate f2fs_trace_pid")
    d5053a34a9cc ("f2fs: introduce -o fastboot for reducing booting time only")
    e5e7ea3c86e5 ("f2fs: control the memory footprint used by ino entries")
    f68daeebba5a ("f2fs: keep PagePrivate during releasepage")


How should we proceed with this patch?

--
Thanks,
Sasha