mm/percpu: remove unused pcpu_map_extend_chunks

Since commit 40064aeca35c ("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>

diff --git a/mm/percpu.c b/mm/percpu.c
index 27697b2429c2e174f60cf0136739b5da26bc6039..26d8cd2ca3230956f3a018790fabeaf66bc7f599 100644 (file)
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -174,9 +174,6 @@ static DEFINE_MUTEX(pcpu_alloc_mutex);      /* chunk create/destroy, [de]pop, map ext
 
 struct list_head *pcpu_chunk_lists __ro_after_init; /* chunk list slots */
 
-/* chunks which need their map areas extended, protected by pcpu_lock */
-static LIST_HEAD(pcpu_map_extend_chunks);
-
 /*
  * The number of empty populated pages, protected by pcpu_lock.
  * The reserved chunk doesn't contribute to the count.