[PATCH v3 70/70] powerpc/mm/radix: Document software bits for radix
Michael Ellerman
mpe at ellerman.id.au
Fri Apr 29 23:26:33 AEST 2016
From: "Aneesh Kumar K.V" <aneesh.kumar at linux.vnet.ibm.com>
Add #defines for Power ISA 3.0 software defined bits.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe at 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
More information about the Linuxppc-dev
mailing list