[PATCH v3 70/70] powerpc/mm/radix: Document software bits for radix
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2016-04-29 13:27:44
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
From: "Aneesh Kumar K.V" <redacted> Add #defines for Power ISA 3.0 software defined bits. Signed-off-by: Aneesh Kumar K.V <redacted> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> --- arch/powerpc/include/asm/book3s/64/pgtable.h | 8 ++++++-- 1 file 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 */
--
2.5.0