diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-04-29 15:26:33 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-05-11 13:53:58 +0200 |
| commit | 69dfbaeb657bad13dddb3204603490206b859a7e (patch) | |
| tree | fb5fb879c1fcd3ca357a09fabac53a27476efdac | |
| parent | powerpc/mm/radix: Use firmware feature to enable Radix MMU (diff) | |
| download | linux-69dfbaeb657bad13dddb3204603490206b859a7e.tar.xz linux-69dfbaeb657bad13dddb3204603490206b859a7e.zip | |
powerpc/mm/radix: Document software bits for radix
Add #defines for Power ISA 3.0 software defined bits.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/pgtable.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 898222ae7b82..48dc76c13094 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -20,12 +20,16 @@ /* * Software bits */ +#define _RPAGE_SW0 0x2000000000000000UL +#define _RPAGE_SW1 0x00800 +#define _RPAGE_SW2 0x00400 +#define _RPAGE_SW3 0x00200 #ifdef CONFIG_MEM_SOFT_DIRTY -#define _PAGE_SOFT_DIRTY 0x00200 /* software: software dirty tracking */ +#define _PAGE_SOFT_DIRTY _RPAGE_SW3 /* software: software dirty tracking */ #else #define _PAGE_SOFT_DIRTY 0x00000 #endif -#define _PAGE_SPECIAL 0x00400 /* software: special page */ +#define _PAGE_SPECIAL _RPAGE_SW2 /* software: special page */ #define _PAGE_PTE (1ul << 62) /* distinguishes PTEs from pointers */ |