cpuset: remove unused task_has_mempolicy()

This is a remnant of commit 5f155f27cb ("mm, cpuset: always use
seqlock when changing task's nodemask").

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Masahiro Yamada 2019-02-18 15:28:11 +09:00 • committed by Tejun Heo
commit 6a613d24ef