new primitive: vmemdup_user()

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similar to memdup_user(), but does *not* guarantee that result will
be physically contiguous; use only in cases where that's not a requirement
and free it with kvfree().

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

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Al Viro 2018-01-07 13:06:15 -05:00

parent 6c2c97a24f

commit 50fd2f298b

2 changed files with 29 additions and 1 deletions

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include/linux/string.h

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