fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / include / asm-i386 / mmu.h

diff --git a/include/asm-i386/mmu.h b/include/asm-i386/mmu.h
index f431a0b..bbb4ff3 100644 (file)
--- a/include/asm-i386/mmu.h
+++ b/include/asm-i386/mmu.h
@@ -7,11 +7,29 @@
  * we put the segment information here.
  *
  * cpu_vm_mask is used to optimize ldt flushing.
+ * exec_limit is used to track the range PROT_EXEC
+ * mappings span.
  */
 typedef struct { 
        int size;
        struct semaphore sem;
        void *ldt;
+       struct desc_struct user_cs;
+       unsigned long exec_limit;
+       void *vdso;
+#ifdef CONFIG_XEN
+       int has_foreign_mappings;
+#endif
 } mm_context_t;
 
+#ifdef CONFIG_XEN
+/* mm/memory.c:exit_mmap hook */
+extern void _arch_exit_mmap(struct mm_struct *mm);
+#define arch_exit_mmap(_mm) _arch_exit_mmap(_mm)
+
+/* kernel/fork.c:dup_mmap hook */
+extern void _arch_dup_mmap(struct mm_struct *mm);
+#define arch_dup_mmap(mm, oldmm) ((void)(oldmm), _arch_dup_mmap(mm))
+#endif /* CONFIG_XEN */
+
 #endif