diff options
Diffstat (limited to 'arch/arm64/include/asm/memory.h')
| -rw-r--r-- | arch/arm64/include/asm/memory.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index 968659c90f5c..79e75e45d560 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -52,6 +52,13 @@ #define PCI_IO_END (VMEMMAP_START - SZ_2M) #define PCI_IO_START (PCI_IO_END - PCI_IO_SIZE) #define FIXADDR_TOP (PCI_IO_START - SZ_2M) +#if VA_BITS > 48 +#define VA_BITS_MIN (48) +#else +#define VA_BITS_MIN (VA_BITS) +#endif +#define _VA_START(va) (UL(0xffffffffffffffff) - \ + (UL(1) << ((va) - 1)) + 1) #define KERNEL_START _text #define KERNEL_END _end @@ -74,7 +81,7 @@ #define KASAN_THREAD_SHIFT 1 #else #define KASAN_THREAD_SHIFT 0 -#define KASAN_SHADOW_END (VA_START) +#define KASAN_SHADOW_END (_VA_START(VA_BITS_MIN)) #endif #define MIN_THREAD_SHIFT (14 + KASAN_THREAD_SHIFT) |