6a2d7a955d8
1 2 3 4 5 6 7 8 9
#include <asm/div64.h> #include <linux/reciprocal_div.h> u32 reciprocal_value(u32 k) { u64 val = (1LL << 32) + (k - 1); do_div(val, k); return (u32)val; }