process_vm_access: switch to copy_page_to_iter/iov_iter_copy_from_user

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... rather than open-coding those.  As a side benefit, we get much saner
loop calling those; we can just feed entire pages, instead of the "copy
would span the iovec boundary, let's do it in two loop iterations" mess.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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Al Viro 2014-02-05 12:14:11 -05:00

parent 9f78bdfabf

commit 240f3905f5

1 changed files with 23 additions and 68 deletions

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mm/process_vm_access.c

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