https://github.com/torvalds/linux
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Tip revision: 36f90b0a2ddd60823fe193a85e60ff1906c2a9b3 authored by Linus Torvalds on 01 February 2016, 02:12:16 UTC
Linux 4.5-rc2
Tip revision: 36f90b0
bswapdi.c
#include <linux/module.h>

unsigned long long __bswapdi2(unsigned long long u)
{
	return (((u) & 0xff00000000000000ull) >> 56) |
	       (((u) & 0x00ff000000000000ull) >> 40) |
	       (((u) & 0x0000ff0000000000ull) >> 24) |
	       (((u) & 0x000000ff00000000ull) >>  8) |
	       (((u) & 0x00000000ff000000ull) <<  8) |
	       (((u) & 0x0000000000ff0000ull) << 24) |
	       (((u) & 0x000000000000ff00ull) << 40) |
	       (((u) & 0x00000000000000ffull) << 56);
}

EXPORT_SYMBOL(__bswapdi2);
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