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-rw-r--r--arch/s390/include/asm/mmu_context.h2
-rw-r--r--arch/s390/kernel/vdso.c5
2 files changed, 3 insertions, 4 deletions
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index e4462202200d..8d04e6f3f796 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -25,7 +25,7 @@ static inline int init_new_context(struct task_struct *tsk,
atomic_set(&mm->context.flush_count, 0);
mm->context.gmap_asce = 0;
mm->context.flush_mm = 0;
- mm->context.compat_mm = 0;
+ mm->context.compat_mm = test_thread_flag(TIF_31BIT);
#ifdef CONFIG_PGSTE
mm->context.alloc_pgste = page_table_allocate_pgste ||
test_thread_flag(TIF_PGSTE) ||
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index ebe748a9f472..4ff354887db4 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -224,10 +224,9 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
vdso_pages = vdso64_pages;
#ifdef CONFIG_COMPAT
- if (is_compat_task()) {
+ mm->context.compat_mm = is_compat_task();
+ if (mm->context.compat_mm)
vdso_pages = vdso32_pages;
- mm->context.compat_mm = 1;
- }
#endif
/*
* vDSO has a problem and was disabled, just don't "enable" it for