diff options
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/hash-4k.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/hash-4k.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h index 4c9dfd625461..8fd8599c9395 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-4k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h @@ -13,12 +13,14 @@ */ #define MAX_EA_BITS_PER_CONTEXT 46 +#define REGION_SHIFT (MAX_EA_BITS_PER_CONTEXT - 2) + /* * Our page table limit us to 64TB. Hence for the kernel mapping, * each MAP area is limited to 16 TB. * The four map areas are: linear mapping, vmap, IO and vmemmap */ -#define H_KERN_MAP_SIZE (ASM_CONST(1) << (MAX_EA_BITS_PER_CONTEXT - 2)) +#define H_KERN_MAP_SIZE (ASM_CONST(1) << REGION_SHIFT) /* * Define the address range of the kernel non-linear virtual area |