X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-i386%2Fmmu.h;h=bbb4ff3d25f22dd9ef25cdc7fd5c77e518b5601a;hb=refs%2Fheads%2Fvserver;hp=f431a0b86d4c46669e49b0fe4811a64017a27385;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/include/asm-i386/mmu.h b/include/asm-i386/mmu.h
index f431a0b86..bbb4ff3d2 100644
--- 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