mm: move use_mm/unuse_mm from aio.c to mm/
Anyone who wants to do copy to/from user from a kernel thread, needs use_mm (like what fs/aio has). Move that into mm/, to make reusing and exporting easier down the line, and make aio use it. Next intended user, besides aio, will be vhost-net. Acked-by: NAndrea Arcangeli <aarcange@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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include/linux/mmu_context.h
0 → 100644
mm/mmu_context.c
0 → 100644
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