diff options
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/radix-4k.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/radix-4k.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/radix-4k.h b/arch/powerpc/include/asm/book3s/64/radix-4k.h index 863c3e8286fb..d5f5ab73dc7f 100644 --- a/arch/powerpc/include/asm/book3s/64/radix-4k.h +++ b/arch/powerpc/include/asm/book3s/64/radix-4k.h @@ -5,10 +5,11 @@ /* * For 4K page size supported index is 13/9/9/9 */ -#define RADIX_PTE_INDEX_SIZE 9 /* 2MB huge page */ -#define RADIX_PMD_INDEX_SIZE 9 /* 1G huge page */ -#define RADIX_PUD_INDEX_SIZE 9 -#define RADIX_PGD_INDEX_SIZE 13 +#define RADIX_PTE_INDEX_SIZE 9 // size: 8B << 9 = 4KB, maps 2^9 x 4K = 2MB +#define RADIX_PMD_INDEX_SIZE 9 // size: 8B << 9 = 4KB, maps 2^9 x 2MB = 1GB +#define RADIX_PUD_INDEX_SIZE 9 // size: 8B << 9 = 4KB, maps 2^9 x 1GB = 512GB +#define RADIX_PGD_INDEX_SIZE 13 // size: 8B << 13 = 64KB, maps 2^13 x 512GB = 4PB + /* * One fragment per per page */ |