Re: [PATCH] block, bfq: improve arithmetic division in bfq_delta()
Date
Wed, 22 Jan 2020 17:34:21 +0000
On 1/20/20 3:04 AM, Wen Yang wrote: > do_div() does a 64-by-32 division. Use div64_ul() instead of it > if the divisor is unsigned long, to avoid truncation to 32-bit. > And as a nice side effect also cleans up the function a bit.