[PATCH] mm: mm_init: use div64_ul() instead of do_div()
From: Giorgi Tchankvetadze
Date: Mon Jun 01 2026 - 04:23:51 EST
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: Giorgi Tchankvetadze <giorgitchankvetadze1997@xxxxxxxxx>
---
mm/mm_init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/mm_init.c b/mm/mm_init.c
index db5568cf36e1..4d335eb799e6 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -2426,7 +2426,7 @@ void *__init alloc_large_system_hash(const char *tablename,
/* limit allocation size to 1/16 total memory by default */
if (max == 0) {
max = ((unsigned long long)nr_all_pages << PAGE_SHIFT) >> 4;
- do_div(max, bucketsize);
+ max = div64_ul(max, bucketsize);
}
max = min(max, 0x80000000ULL);
--
2.52.0