1 files changed, 16 insertions, 11 deletions

diff --git a/include/asm-ppc/mmu_context.h b/include/asm-ppc/mmu_context.h
index 94f2bf71310d..2bc8589cc451 100644
--- a/include/asm-ppc/mmu_context.h
+++ b/include/asm-ppc/mmu_context.h
@@ -70,7 +70,7 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
 #else
 
 /* PPC 6xx, 7xx CPUs */
-#define NO_CONTEXT              ((mm_context_t) -1)
+#define NO_CONTEXT              ((unsigned long) -1)
 #define LAST_CONTEXT            32767
 #define FIRST_CONTEXT           1
 #endif
@@ -85,7 +85,7 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
  * can be used for debugging on all processors (if you happen to have
  * an Abatron).
  */
-extern void set_context(mm_context_t context, pgd_t *pgd);
+extern void set_context(unsigned long contextid, pgd_t *pgd);
 
 /*
  * Bitmap of contexts in use.
@@ -98,7 +98,7 @@ extern unsigned long context_map[];
  * Its use is an optimization only, we can't rely on this context
  * number to be free, but it usually will be.
  */
-extern mm_context_t next_mmu_context;
+extern unsigned long next_mmu_context;
 
 /*
  * If we don't have sufficient contexts to give one to every task
@@ -117,9 +117,9 @@ extern void steal_context(void);
  */
 static inline void get_mmu_context(struct mm_struct *mm)
 {
-        mm_context_t ctx;
+        unsigned long ctx;
 
-        if (mm->context != NO_CONTEXT)
+        if (mm->context.id != NO_CONTEXT)
                 return;
 #ifdef FEW_CONTEXTS
         while (atomic_dec_if_positive(&nr_free_contexts) < 0)
@@ -132,7 +132,7 @@ static inline void get_mmu_context(struct mm_struct *mm)
                         ctx = 0;
         }
         next_mmu_context = (ctx + 1) & LAST_CONTEXT;
-        mm->context = ctx;
+        mm->context.id = ctx;
 #ifdef FEW_CONTEXTS
         context_mm[ctx] = mm;
 #endif
@@ -141,7 +141,12 @@ static inline void get_mmu_context(struct mm_struct *mm)
 /*
  * Set up the context for a new address space.
  */
-#define init_new_context(tsk,mm)        (((mm)->context = NO_CONTEXT), 0)
+static inline int init_new_context(struct task_struct *t, struct mm_struct *mm)
+{
+        mm->context.id = NO_CONTEXT;
+        mm->context.vdso_base = 0;
+        return 0;
+}
 
 /*
  * We're finished using the context for an address space.
@@ -149,9 +154,9 @@ static inline void get_mmu_context(struct mm_struct *mm)
 static inline void destroy_context(struct mm_struct *mm)
 {
         preempt_disable();
-        if (mm->context != NO_CONTEXT) {
-                clear_bit(mm->context, context_map);
-                mm->context = NO_CONTEXT;
+        if (mm->context.id != NO_CONTEXT) {
+                clear_bit(mm->context.id, context_map);
+                mm->context.id = NO_CONTEXT;
 #ifdef FEW_CONTEXTS
                 atomic_inc(&nr_free_contexts);
 #endif
@@ -179,7 +184,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
 
         /* Setup new userspace context */
         get_mmu_context(next);
-        set_context(next->context, next->pgd);
+        set_context(next->context.id, next->pgd);
 }
 
 #define deactivate_mm(tsk,mm)   do { } while (0)