From e04cb6976340d5ebf2b28ad91bf6a13a285aa566 Mon Sep 17 00:00:00 2001 From: Baoquan He Date: Mon, 24 Oct 2022 16:14:30 +0800 Subject: mm/percpu: Update the code comment when creating new chunk The lock pcpu_alloc_mutex taking code has been moved to the beginning of pcpu_allo() if it's non atomic allocation. So the code comment above above pcpu_create_chunk() callsite need be updated. Signed-off-by: Baoquan He Signed-off-by: Dennis Zhou --- mm/percpu.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'mm/percpu.c') diff --git a/mm/percpu.c b/mm/percpu.c index 841bb93aaae6..68d5ba61c935 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -1817,16 +1817,12 @@ restart: spin_unlock_irqrestore(&pcpu_lock, flags); - /* - * No space left. Create a new chunk. We don't want multiple - * tasks to create chunks simultaneously. Serialize and create iff - * there's still no empty chunk after grabbing the mutex. - */ if (is_atomic) { err = "atomic alloc failed, no space left"; goto fail; } + /* No space left. Create a new chunk. */ if (list_empty(&pcpu_chunk_lists[pcpu_free_slot])) { chunk = pcpu_create_chunk(pcpu_gfp); if (!chunk) { -- cgit v1.2.3