Cregit: Linux 6.9: ioremap.h

Contributors: 9
Author	Tokens	Token Proportion	Commits	Commit Proportion
Aneesh Kumar K.V	36	38.30%	1	11.11%
Baoquan He	32	34.04%	1	11.11%
Christophe Leroy	14	14.89%	1	11.11%
Andrey Ryabinin	3	3.19%	1	11.11%
Luke Yang	2	2.13%	1	11.11%
Alex Sierra	2	2.13%	1	11.11%
Kirill A. Shutemov	2	2.13%	1	11.11%
Linus Torvalds (pre-git)	2	2.13%	1	11.11%
Greg Kroah-Hartman	1	1.06%	1	11.11%
Total	94		9

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_IOREMAP_H
#define _LINUX_IOREMAP_H

#include <linux/kasan.h>
#include <asm/pgtable.h>

#if defined(CONFIG_HAS_IOMEM) || defined(CONFIG_GENERIC_IOREMAP)
/*
 * Ioremap often, but not always uses the generic vmalloc area. E.g on
 * Power ARCH, it could have different ioremap space.
 */
#ifndef IOREMAP_START
#define IOREMAP_START   VMALLOC_START
#define IOREMAP_END     VMALLOC_END
#endif
static inline bool is_ioremap_addr(const void *x)
{
	unsigned long addr = (unsigned long)kasan_reset_tag(x);

	return addr >= IOREMAP_START && addr < IOREMAP_END;
}
#else
static inline bool is_ioremap_addr(const void *x)
{
	return false;
}
#endif

#endif /* _LINUX_IOREMAP_H */