Commit c1f6688d authored by Baoquan He's avatar Baoquan He Committed by Dennis Zhou
Browse files

mm/percpu: use list_first_entry_or_null in pcpu_reclaim_populated() 



To replace list_empty()/list_first_entry() pair to simplify code.

Signed-off-by: default avatarBaoquan He <bhe@redhat.com>
Acked-by: default avatarDennis Zhou <dennis@kernel.org>
Signed-off-by: default avatarDennis Zhou <dennis@kernel.org>
parent 5a7d596a

mm/percpu.c

+3 −3
Original line number Diff line number Diff line
@@ -2143,9 +2143,9 @@ static void pcpu_reclaim_populated(void) 
	 * other accessor is the free path which only returns area back to the

	 * allocator not touching the populated bitmap.

	 */

	while (!list_empty(&pcpu_chunk_lists[pcpu_to_depopulate_slot])) {

		chunk = list_first_entry(&pcpu_chunk_lists[pcpu_to_depopulate_slot],

					 struct pcpu_chunk, list);

	while ((chunk = list_first_entry_or_null(

			&pcpu_chunk_lists[pcpu_to_depopulate_slot],

			struct pcpu_chunk, list))) {

		WARN_ON(chunk->immutable);



		/*