On Fri, Jul 21, 2023 at 09:17:58PM +0800, Baoquan He wrote: > The conditional check "(ai->dyn_size < PERCPU_DYNAMIC_EARLY_SIZE) has > covered the check '(!ai->dyn_size)'. > > Signed-off-by: Baoquan He <bhe@xxxxxxxxxx> > --- > mm/percpu.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/mm/percpu.c b/mm/percpu.c > index 28e07ede46f6..1480bf283d11 100644 > --- a/mm/percpu.c > +++ b/mm/percpu.c > @@ -2615,7 +2615,6 @@ void __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai, > PCPU_SETUP_BUG_ON(ai->unit_size < PCPU_MIN_UNIT_SIZE); > PCPU_SETUP_BUG_ON(!IS_ALIGNED(ai->unit_size, PCPU_BITMAP_BLOCK_SIZE)); > PCPU_SETUP_BUG_ON(ai->dyn_size < PERCPU_DYNAMIC_EARLY_SIZE); > - PCPU_SETUP_BUG_ON(!ai->dyn_size); > PCPU_SETUP_BUG_ON(!IS_ALIGNED(ai->reserved_size, PCPU_MIN_ALLOC_SIZE)); > PCPU_SETUP_BUG_ON(!(IS_ALIGNED(PCPU_BITMAP_BLOCK_SIZE, PAGE_SIZE) || > IS_ALIGNED(PAGE_SIZE, PCPU_BITMAP_BLOCK_SIZE))); > -- > 2.34.1 > Acked-by: Dennis Zhou <dennis@xxxxxxxxxx> Thanks, Dennis