aboutsummaryrefslogtreecommitdiffstats
path: root/arch/s390/include/asm/mmu.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/include/asm/mmu.h')
-rw-r--r--arch/s390/include/asm/mmu.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h
new file mode 100644
index 00000000..82d08478
--- /dev/null
+++ b/arch/s390/include/asm/mmu.h
@@ -0,0 +1,22 @@
+#ifndef __MMU_H
+#define __MMU_H
+
+typedef struct {
+ atomic_t attach_count;
+ unsigned int flush_mm;
+ spinlock_t list_lock;
+ struct list_head pgtable_list;
+ unsigned long asce_bits;
+ unsigned long asce_limit;
+ unsigned long vdso_base;
+ /* Cloned contexts will be created with extended page tables. */
+ unsigned int alloc_pgste:1;
+ /* The mmu context has extended page tables. */
+ unsigned int has_pgste:1;
+} mm_context_t;
+
+#define INIT_MM_CONTEXT(name) \
+ .context.list_lock = __SPIN_LOCK_UNLOCKED(name.context.list_lock), \
+ .context.pgtable_list = LIST_HEAD_INIT(name.context.pgtable_list),
+
+#endif