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Diffstat (limited to 'arch/powerpc/include/asm/pte-8xx.h')
-rw-r--r--arch/powerpc/include/asm/pte-8xx.h10
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/powerpc/include/asm/pte-8xx.h b/arch/powerpc/include/asm/pte-8xx.h
index daa4616e61c4..97bae64afdaa 100644
--- a/arch/powerpc/include/asm/pte-8xx.h
+++ b/arch/powerpc/include/asm/pte-8xx.h
@@ -29,7 +29,6 @@
/* Definitions for 8xx embedded chips. */
#define _PAGE_PRESENT 0x0001 /* Page is valid */
-#define _PAGE_FILE 0x0002 /* when !present: nonlinear file mapping */
#define _PAGE_NO_CACHE 0x0002 /* I: cache inhibit */
#define _PAGE_SHARED 0x0004 /* No ASID (context) compare */
#define _PAGE_SPECIAL 0x0008 /* SW entry, forced to 0 by the TLB miss */
@@ -46,9 +45,9 @@
* require a TLB exception handler change. It is assumed unused bits
* are always zero.
*/
-#define _PAGE_RW 0x0400 /* lsb PP bits, inverted in HW */
+#define _PAGE_RO 0x0400 /* lsb PP bits */
#define _PAGE_USER 0x0800 /* msb PP bits */
-/* set when neither _PAGE_USER nor _PAGE_RW are set */
+/* set when _PAGE_USER is unset and _PAGE_RO is set */
#define _PAGE_KNLRO 0x0200
#define _PMD_PRESENT 0x0001
@@ -62,9 +61,8 @@
#define PTE_ATOMIC_UPDATES 1
/* We need to add _PAGE_SHARED to kernel pages */
-#define _PAGE_KERNEL_RO (_PAGE_SHARED | _PAGE_KNLRO)
-#define _PAGE_KERNEL_ROX (_PAGE_EXEC | _PAGE_KNLRO)
-#define _PAGE_KERNEL_RW (_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE)
+#define _PAGE_KERNEL_RO (_PAGE_SHARED | _PAGE_RO | _PAGE_KNLRO)
+#define _PAGE_KERNEL_ROX (_PAGE_EXEC | _PAGE_RO | _PAGE_KNLRO)
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_PTE_8xx_H */