summaryrefslogtreecommitdiff
path: root/include/asm-arm/pgtable.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/pgtable.h')
-rw-r--r--include/asm-arm/pgtable.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h
index 4d10d319fa34..ed8cb5963e99 100644
--- a/include/asm-arm/pgtable.h
+++ b/include/asm-arm/pgtable.h
@@ -136,6 +136,13 @@ extern void __pgd_error(const char *file, int line, unsigned long val);
#define USER_PTRS_PER_PGD ((TASK_SIZE/PGDIR_SIZE) - FIRST_USER_PGD_NR)
/*
+ * section address mask and size definitions.
+ */
+#define SECTION_SHIFT 20
+#define SECTION_SIZE (1UL << SECTION_SHIFT)
+#define SECTION_MASK (~(SECTION_SIZE-1))
+
+/*
* ARMv6 supersection address mask and size definitions.
*/
#define SUPERSECTION_SHIFT 24