aboutsummaryrefslogtreecommitdiff
path: root/include/asm-sh/pgtable_64.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-sh/pgtable_64.h')
-rw-r--r--include/asm-sh/pgtable_64.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-sh/pgtable_64.h b/include/asm-sh/pgtable_64.h
index 972211671c9..f9dd9d31144 100644
--- a/include/asm-sh/pgtable_64.h
+++ b/include/asm-sh/pgtable_64.h
@@ -138,6 +138,14 @@ static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep)
#endif
/*
+ * Stub out _PAGE_SZHUGE if we don't have a good definition for it,
+ * to make pte_mkhuge() happy.
+ */
+#ifndef _PAGE_SZHUGE
+# define _PAGE_SZHUGE (0)
+#endif
+
+/*
* Default flags for a Kernel page.
* This is fundametally also SHARED because the main use of this define
* (other than for PGD/PMD entries) is for the VMALLOC pool which is
@@ -179,6 +187,11 @@ static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep)
_PAGE_WRITE | _PAGE_EXECUTE)
#define PAGE_KERNEL __pgprot(_KERNPG_TABLE)
+#define PAGE_KERNEL_NOCACHE \
+ __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
+ _PAGE_EXECUTE | _PAGE_ACCESSED | \
+ _PAGE_DIRTY | _PAGE_SHARED)
+
/* Make it a device mapping for maximum safety (e.g. for mapping device
registers into user-space via /dev/map). */
#define pgprot_noncached(x) __pgprot(((x).pgprot & ~(_PAGE_CACHABLE)) | _PAGE_DEVICE)