kcalloc returns zeroed memory.  There's no need to use this flag.
Signed-off-by: NJoe Perches <joe@perches.com>
Reviewed-by: NWanpeng Li <liwanp@linux.vnet.ibm.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>