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v0.8.1
https://github.com/torvalds/linux
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Tip revision: 2c6625cd545bdd66acff14f3394865d43920a5c7 authored by Linus Torvalds on 16 August 2015, 23:34:13 UTC
Linux 4.2-rc7
Tip revision: 2c6625c
div64-generic.c
/*
 * Generic __div64_32 wrapper for __xdiv64_32.
 */

#include <linux/types.h>
#include <asm/div64.h>

extern uint64_t __xdiv64_32(u64 n, u32 d);

uint32_t __div64_32(u64 *xp, u32 y)
{
	uint32_t rem;
	uint64_t q = __xdiv64_32(*xp, y);

	rem = *xp - q * y;
	*xp = q;

	return rem;
}
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