mm/percpu: remove unused pcpu_map_extend_chunks

Since commit 40064aeca3 ("percpu: replace area map allocator with
bitmap"), it is unneeded.

Signed-off-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Dennis Zhou <dennis@kernel.org>
This commit is contained in:
Baoquan He 2022-10-24 16:14:28 +08:00 • committed by Dennis Zhou
commit 5a7d596a05