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    Subject[PATCH 0/7] Record the mm_struct in the page table pages
    Date
    From: "Matthew Wilcox (Oracle)" <willy@infradead.org>

    Pages which are in use as page tables have some space unused in struct
    page. It would be handy to have a pointer to the struct mm_struct that
    they belong to so that we can handle uncorrectable errors in page tables
    more gracefully. There are a few other things we could use it for too,
    such as checking that the page table entry actually belongs to the task
    we think it ought to. This patch series does none of that, but does
    lay the groundwork for it.

    Matthew Wilcox (Oracle) (7):
    mm: Document x86 uses a linked list of pgds
    mm: Move pt_mm within struct page
    arm: Thread mm_struct throughout page table allocation
    arm64: Thread mm_struct throughout page table allocation
    m68k: Thread mm_struct throughout page table allocation
    mm: Set pt_mm in PTE constructor
    mm: Set pt_mm in PMD constructor

    arch/arc/include/asm/pgalloc.h | 2 +-
    arch/arm/mm/mmu.c | 66 ++++++++---------
    arch/arm64/include/asm/pgalloc.h | 2 +-
    arch/arm64/mm/mmu.c | 93 ++++++++++++------------
    arch/m68k/include/asm/mcf_pgalloc.h | 2 +-
    arch/m68k/include/asm/motorola_pgalloc.h | 10 +--
    arch/m68k/mm/motorola.c | 4 +-
    arch/openrisc/include/asm/pgalloc.h | 2 +-
    arch/powerpc/mm/book3s64/pgtable.c | 2 +-
    arch/powerpc/mm/pgtable-frag.c | 2 +-
    arch/s390/include/asm/pgalloc.h | 2 +-
    arch/s390/mm/pgalloc.c | 2 +-
    arch/sparc/mm/init_64.c | 2 +-
    arch/sparc/mm/srmmu.c | 2 +-
    arch/x86/include/asm/pgalloc.h | 2 +-
    arch/x86/mm/pgtable.c | 3 +-
    arch/xtensa/include/asm/pgalloc.h | 2 +-
    include/asm-generic/pgalloc.h | 2 +-
    include/linux/mm.h | 18 ++++-
    include/linux/mm_types.h | 12 +--
    20 files changed, 122 insertions(+), 110 deletions(-)


    base-commit: 6a8b55ed4056ea5559ebe4f6a4b247f627870d4c
    --
    2.26.2

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