From c1f6688d35d47ca11200789b000b3b20f5ecdbd9 Mon Sep 17 00:00:00 2001 From: Baoquan He Date: Tue, 25 Oct 2022 11:11:45 +0800 Subject: 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: Baoquan He Acked-by: Dennis Zhou Signed-off-by: Dennis Zhou --- mm/percpu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/percpu.c b/mm/percpu.c index 26d8cd2ca323..841bb93aaae6 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -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); /* -- cgit