This patch replaces printk(KERN_ERR..) with pr_err found under
shrink_slab.  Thus it also reduces one line extra because of formatting.
Signed-off-by: NPintu Kumar <pintu.k@samsung.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>