diff options
Diffstat (limited to 'arch/arm/include/asm/memory.h')
| -rw-r--r-- | arch/arm/include/asm/memory.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index ca208335fde6..31c07a2cc100 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -295,6 +295,11 @@ extern long long arch_phys_to_idmap_offset; * of physical memory for idmap purposes. Most cases should leave these * untouched. Note: this can only return addresses less than 4GiB. */ +static inline bool arm_has_idmap_alias(void) +{ + return IS_ENABLED(CONFIG_MMU) && arch_phys_to_idmap_offset != 0; +} + #define IDMAP_INVALID_ADDR ((u32)~0) static inline unsigned long phys_to_idmap(phys_addr_t addr) |