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Diffstat (limited to 'arch/s390/mm/pgtable.c')
-rw-r--r--arch/s390/mm/pgtable.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index c60bfb3..2757c56 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -279,7 +279,10 @@ int s390_enable_sie(void)
/* lets check if we are allowed to replace the mm */
task_lock(tsk);
if (!tsk->mm || atomic_read(&tsk->mm->mm_users) > 1 ||
- tsk->mm != tsk->active_mm || !hlist_empty(&tsk->mm->ioctx_list)) {
+#ifdef CONFIG_AIO
+ !hlist_empty(&tsk->mm->ioctx_list) ||
+#endif
+ tsk->mm != tsk->active_mm) {
task_unlock(tsk);
return -EINVAL;
}
@@ -295,7 +298,10 @@ int s390_enable_sie(void)
/* Now lets check again if something happened */
task_lock(tsk);
if (!tsk->mm || atomic_read(&tsk->mm->mm_users) > 1 ||
- tsk->mm != tsk->active_mm || !hlist_empty(&tsk->mm->ioctx_list)) {
+#ifdef CONFIG_AIO
+ !hlist_empty(&tsk->mm->ioctx_list) ||
+#endif
+ tsk->mm != tsk->active_mm) {
mmput(mm);
task_unlock(tsk);
return -EINVAL;
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