[Xen-merge] [PATCH 10/23] mmu subarch headers

[Chris Wright <chrisw@xxxxxxxx>]

--- linux-2.6.12-xen0-arch.orig/include/asm-i386/mmu.h
+++ linux-2.6.12-xen0-arch/include/asm-i386/mmu.h
@@ -1,17 +1,6 @@
 #ifndef __i386_MMU_H
 #define __i386_MMU_H
 
-#include <asm/semaphore.h>
-/*
- * The i386 doesn't have a mmu context, but
- * we put the segment information here.
- *
- * cpu_vm_mask is used to optimize ldt flushing.
- */
-typedef struct { 
-       int size;
-       struct semaphore sem;
-       void *ldt;
-} mm_context_t;
+#include <mach_mmu.h>
 
 #endif
--- /dev/null
+++ linux-2.6.12-xen0-arch/include/asm-i386/mach-default/mach_mmu.h
@@ -0,0 +1,17 @@
+#ifndef __ASM_MACH_MMU_H
+#define __ASM_MACH_MMU_H
+
+#include <asm/semaphore.h>
+/*
+ * The i386 doesn't have a mmu context, but
+ * we put the segment information here.
+ *
+ * cpu_vm_mask is used to optimize ldt flushing.
+ */
+typedef struct { 
+       int size;
+       struct semaphore sem;
+       void *ldt;
+} mm_context_t;
+
+#endif
--- linux-2.6.12-xen0/include/asm-i386/mach-xen/mach_mmu.h      1969-12-31 
16:00:00.000000000 -0800
+++ linux-2.6.12-xen0-arch/include/asm-i386/mach-xen/mach_mmu.h 2005-08-01 
23:01:51.000000000 -0700
@@ -0,0 +1,26 @@
+#ifndef __ASM_MACH_MMU_H
+#define __ASM_MACH_MMU_H
+
+#include <asm/semaphore.h>
+/*
+ * The i386 doesn't have a mmu context, but
+ * we put the segment information here.
+ *
+ * cpu_vm_mask is used to optimize ldt flushing.
+ */
+typedef struct { 
+       int size;
+       struct semaphore sem;
+       void *ldt;
+       unsigned pinned:1;
+       struct list_head unpinned;
+} mm_context_t;
+
+extern struct list_head mm_unpinned;
+extern spinlock_t mm_unpinned_lock;
+
+/* mm/memory.c:exit_mmap hook */
+extern void _arch_exit_mmap(struct mm_struct *mm);
+#define arch_exit_mmap(_mm) _arch_exit_mmap(_mm)
+
+#endif

--


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