vserver 1.9.3

[linux-2.6.git] / include / asm-i386 / pgtable-3level.h

diff --git a/include/asm-i386/pgtable-3level.h b/include/asm-i386/pgtable-3level.h
index d78e349..80a24b0 100644 (file)
--- a/include/asm-i386/pgtable-3level.h
+++ b/include/asm-i386/pgtable-3level.h
@@ -54,6 +54,7 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
        smp_wmb();
        ptep->pte_low = pte.pte_low;
 }
+#define __HAVE_ARCH_SET_PTE_ATOMIC
 #define set_pte_atomic(pteptr,pteval) \
                set_64bit((unsigned long long *)(pteptr),pte_val(pteval))
 #define set_pmd(pmdptr,pmdval) \
@@ -134,4 +135,11 @@ static inline pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot)
 #define pgoff_to_pte(off) ((pte_t) { _PAGE_FILE, (off) })
 #define PTE_FILE_MAX_BITS       32
 
+/* Encode and de-code a swap entry */
+#define __swp_type(x)                  (((x).val) & 0x1f)
+#define __swp_offset(x)                        ((x).val >> 5)
+#define __swp_entry(type, offset)      ((swp_entry_t){(type) | (offset) << 5})
+#define __pte_to_swp_entry(pte)                ((swp_entry_t){ (pte).pte_high })
+#define __swp_entry_to_pte(x)          ((pte_t){ 0, (x).val })
+
 #endif /* _I386_PGTABLE_3LEVEL_H */