Fixes Coccinelle/coccicheck warning reported by do_div.cocci. Compared to do_div(), div64_ul() does not implicitly cast the divisor and does not unnecessarily calculate the remainder. Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxxx> --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 150d4f23b010..dfafec7fba1d 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5845,7 +5845,7 @@ static void __setup_per_zone_wmarks(void) spin_lock_irqsave(&zone->lock, flags); tmp = (u64)pages_min * zone_managed_pages(zone); - do_div(tmp, lowmem_pages); + tmp = div64_ul(tmp, lowmem_pages); if (is_highmem(zone) || zone_idx(zone) == ZONE_MOVABLE) { /* * __GFP_HIGH and PF_MEMALLOC allocations usually don't -- 2.44.0