xen-netfront: Avoid unaligned accesses to IP header

[linux-2.6/mini2440.git] / lib / reciprocal_div.c

#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;
}