userfaultfd: shmem: add tlbflush.h header for microblaze
It resolves this build error: All errors (new ones prefixed by >>): mm/shmem.c: In function 'shmem_mcopy_atomic_pte': >> mm/shmem.c:2228:2: error: implicit declaration of function 'update_mmu_cache' [-Werror=implicit-function-declaration] update_mmu_cache(dst_vma, dst_addr, dst_pte); microblaze may have to be also updated to define it in asm/pgtable.h like the other archs, then this header inclusion can be removed. Link: http://lkml.kernel.org/r/20161216144821.5183-31-aarcange@redhat.com Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Cc: Hillf Danton <hillf.zj@alibaba-inc.com> Cc: Michael Rapoport <RAPOPORT@il.ibm.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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#include <linux/uio.h>
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#include <linux/khugepaged.h>
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#include <asm/tlbflush.h> /* for arch/microblaze update_mmu_cache() */
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static struct vfsmount *shm_mnt;
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#ifdef CONFIG_SHMEM
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