X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-i386%2Fpgtable-2level.h;h=58867b62f47b4e79d42925e4da7d47775d1a397a;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=de51110560b9d7ae83e7f0120f39b195d0a49980;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git

diff --git a/include/asm-i386/pgtable-2level.h b/include/asm-i386/pgtable-2level.h
index de5111056..58867b62f 100644
--- 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 */