Al Viro 50fd2f298b new primitive: vmemdup_user() ...

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>

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

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