linux/drivers/md/dm-vdo/cpu.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright 2023 Red Hat
 */

#ifndef UDS_CPU_H
#define UDS_CPU_H

#include <linux/cache.h>

/**
 * uds_prefetch_address() - Minimize cache-miss latency by attempting to move data into a CPU cache
 *                          before it is accessed.
 *
 * @address: the address to fetch (may be invalid)
 * @for_write: must be constant at compile time--false if for reading, true if for writing
 */
static inline void uds_prefetch_address(const void *address, bool for_write)
{ … }

/**
 * uds_prefetch_range() - Minimize cache-miss latency by attempting to move a range of addresses
 *                        into a CPU cache before they are accessed.
 *
 * @start: the starting address to fetch (may be invalid)
 * @size: the number of bytes in the address range
 * @for_write: must be constant at compile time--false if for reading, true if for writing
 */
static inline void uds_prefetch_range(const void *start, unsigned int size,
				      bool for_write)
{ … }

#endif /* UDS_CPU_H */