diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h
index bea785d7f853..bd6f30304518 100644
--- a/arch/s390/include/asm/mmu.h
+++ b/arch/s390/include/asm/mmu.h
@@ -22,6 +22,8 @@ typedef struct {
 	unsigned int has_pgste:1;
 	/* The mmu context uses storage keys. */
 	unsigned int use_skey:1;
+	/* The mmu context uses CMMA. */
+	unsigned int use_cmma:1;
 } mm_context_t;
 
 #define INIT_MM_CONTEXT(name)						   \
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index 6e31d87fb669..c119d564d8f2 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -28,6 +28,7 @@ static inline int init_new_context(struct task_struct *tsk,
 	mm->context.alloc_pgste = page_table_allocate_pgste;
 	mm->context.has_pgste = 0;
 	mm->context.use_skey = 0;
+	mm->context.use_cmma = 0;
 #endif
 	switch (mm->context.asce_limit) {
 	case 1UL << 42: