staging: unisys: visorchannel_clear(): No need to use vmalloc here
staging: unisys: visorchannel_clear(): No need to use vmalloc here

Using a page is sufficient, and avoids the cost of vmalloc/vfree

Signed-off-by: Jes Sorensen <0e1e349bdba396f044a06b01fef702e072aa66d3@redhat.com>
Signed-off-by: Benjamin Romer <aa4f04c7a9e9354d8d7625bad3543e518d310003@unisys.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs