1 files changed, 2 insertions, 20 deletions

diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index 084e7755ed9b..9f973d8de90e 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -21,24 +21,7 @@ static inline int init_new_context(struct task_struct *tsk,
 #ifdef CONFIG_64BIT
         mm->context.asce_bits |= _ASCE_TYPE_REGION3;
 #endif
-        if (current->mm && current->mm->context.alloc_pgste) {
-                /*
-                 * alloc_pgste indicates, that any NEW context will be created
-                 * with extended page tables. The old context is unchanged. The
-                 * page table allocation and the page table operations will
-                 * look at has_pgste to distinguish normal and extended page
-                 * tables. The only way to create extended page tables is to
-                 * set alloc_pgste and then create a new context (e.g. dup_mm).
-                 * The page table allocation is called after init_new_context
-                 * and if has_pgste is set, it will create extended page
-                 * tables.
-                 */
-                mm->context.has_pgste = 1;
-                mm->context.alloc_pgste = 1;
-        } else {
-                mm->context.has_pgste = 0;
-                mm->context.alloc_pgste = 0;
-        }
+        mm->context.has_pgste = 0;
         mm->context.asce_limit = STACK_TOP_MAX;
         crst_table_init((unsigned long *) mm->pgd, pgd_entry_type(mm));
         return 0;
@@ -77,8 +60,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
         WARN_ON(atomic_read(&prev->context.attach_count) < 0);
         atomic_inc(&next->context.attach_count);
         /* Check for TLBs not flushed yet */
-        if (next->context.flush_mm)
-                __tlb_flush_mm(next);
+        __tlb_flush_mm_lazy(next);
 }
 
 #define enter_lazy_tlb(mm,tsk)  do { } while (0)