diff options
| author | Thorsten Blum <thorsten.blum@toblux.com> | 2024-02-28 23:49:12 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-03-06 13:04:18 -0800 |
| commit | 72741db6836b4fc3c810e33a53f7cb9cf2cd48a7 (patch) | |
| tree | dcf9d8f372934e78311422314d3ff7959d01a5ff /mm | |
| parent | f1cce6f7fa302e2ea996de33eeeeb3a70d93a3e7 (diff) | |
mm: page_alloc: use div64_ul() instead of do_div()
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.
Link: https://lkml.kernel.org/r/20240228224911.1164-2-thorsten.blum@toblux.com
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_alloc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 29c982542dcc..cc7f9b322193 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5848,7 +5848,7 @@ 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 |