1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_IOREMAP_H
3 #define _LINUX_IOREMAP_H
5 #include <linux/kasan.h>
6 #include <asm/pgtable.h>
8 #if defined(CONFIG_HAS_IOMEM) || defined(CONFIG_GENERIC_IOREMAP)
10 * Ioremap often, but not always uses the generic vmalloc area. E.g on
11 * Power ARCH, it could have different ioremap space.
14 #define IOREMAP_START VMALLOC_START
15 #define IOREMAP_END VMALLOC_END
17 static inline bool is_ioremap_addr(const void *x)
19 unsigned long addr = (unsigned long)kasan_reset_tag(x);
21 return addr >= IOREMAP_START && addr < IOREMAP_END;
24 static inline bool is_ioremap_addr(const void *x)
30 #endif /* _LINUX_IOREMAP_H */