diff options
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/radix-64k.h')
-rw-r--r-- | arch/powerpc/include/asm/book3s/64/radix-64k.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/radix-64k.h b/arch/powerpc/include/asm/book3s/64/radix-64k.h index ccb78ca9d0c5..54e33828b0fb 100644 --- a/arch/powerpc/include/asm/book3s/64/radix-64k.h +++ b/arch/powerpc/include/asm/book3s/64/radix-64k.h @@ -5,10 +5,10 @@ /* * For 64K page size supported index is 13/9/9/5 */ -#define RADIX_PTE_INDEX_SIZE 5 /* 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 5 // size: 8B << 5 = 256B, maps 2^5 x 64K = 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 /* * We use a 256 byte PTE page fragment in radix |