1 - seems to be historical issue on a rarely taken path 2,3 - fixes related to the new mremap() flag 5 - dax device/hugetlbfs possible issue 4,6 - refactoring As those seems to be actual issues, sending this during the merge-window. (Changes to architecture code are in the 6 patch, but Cc'ing maintainers on cover for the context, I hope it's fine). Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Andy Lutomirski <luto@xxxxxxxxxx> Cc: Brian Geffon <bgeffon@xxxxxxxxxx> Cc: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Dan Williams <dan.j.williams@xxxxxxxxx> Cc: Dave Jiang <dave.jiang@xxxxxxxxx> Cc: Hugh Dickins <hughd@xxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Cc: Minchan Kim <minchan@xxxxxxxxxx> Cc: Russell King <linux@xxxxxxxxxxxxxxx> Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Vishal Verma <vishal.l.verma@xxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Cc: linux-aio@xxxxxxxxx Cc: linux-fsdevel@xxxxxxxxxxxxxxx Cc: linux-mm@xxxxxxxxx Dmitry Safonov (6): mm/mremap: Account memory on do_munmap() failure mm/mremap: For MREMAP_DONTUNMAP check security_vm_enough_memory_mm() mremap: Don't allow MREMAP_DONTUNMAP on special_mappings and aio vm_ops: Rename .split() callback to .may_split() mremap: Check if it's possible to split original vma mm: Forbid splitting special mappings arch/arm/kernel/vdso.c | 9 ---- arch/arm64/kernel/vdso.c | 41 ++----------------- arch/mips/vdso/genvdso.c | 4 -- arch/s390/kernel/vdso.c | 11 +---- arch/x86/entry/vdso/vma.c | 17 -------- arch/x86/kernel/cpu/resctrl/pseudo_lock.c | 2 +- drivers/dax/device.c | 4 +- fs/aio.c | 5 ++- include/linux/mm.h | 5 ++- ipc/shm.c | 8 ++-- mm/hugetlb.c | 2 +- mm/mmap.c | 22 ++++++++-- mm/mremap.c | 50 +++++++++++------------ 13 files changed, 63 insertions(+), 117 deletions(-) base-commit: bbf5c979011a099af5dc76498918ed7df445635b -- 2.28.0
