vserver 1.9.3

[linux-2.6.git] / include / asm-i386 / pgtable-2level.h

diff --git a/include/asm-i386/pgtable-2level.h b/include/asm-i386/pgtable-2level.h
index de51110..58867b6 100644 (file)
--- a/include/asm-i386/pgtable-2level.h
+++ b/include/asm-i386/pgtable-2level.h
@@ -75,4 +75,11 @@ static inline int pte_exec_kernel(pte_t pte)
 #define pgoff_to_pte(off) \
        ((pte_t) { (((off) & 0x1f) << 1) + (((off) >> 5) << 8) + _PAGE_FILE })
 
+/* Encode and de-code a swap entry */
+#define __swp_type(x)                  (((x).val >> 1) & 0x1f)
+#define __swp_offset(x)                        ((x).val >> 8)
+#define __swp_entry(type, offset)      ((swp_entry_t) { ((type) << 1) | ((offset) << 8) })
+#define __pte_to_swp_entry(pte)                ((swp_entry_t) { (pte).pte_low })
+#define __swp_entry_to_pte(x)          ((pte_t) { (x).val })
+
 #endif /* _I386_PGTABLE_2LEVEL_H */