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-rw-r--r--i386/intel/pmap.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/i386/intel/pmap.h b/i386/intel/pmap.h
index e02ad36c..11bca800 100644
--- a/i386/intel/pmap.h
+++ b/i386/intel/pmap.h
@@ -101,6 +101,13 @@ typedef unsigned int pt_entry_t;
#endif
/*
+ * Convert linear offset to page directory pointer index
+ */
+#if PAE
+#define lin2pdpnum(a) (((a) >> PDPSHIFT) & PDPMASK)
+#endif
+
+/*
* Convert page descriptor index to linear address
*/
#define pdenum2lin(a) ((vm_offset_t)(a) << PDESHIFT)