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Diffstat (limited to 'arch/s390/mm/mmap.c')
-rw-r--r--arch/s390/mm/mmap.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
index 40023290ee5b..6bcb045d2bd2 100644
--- a/arch/s390/mm/mmap.c
+++ b/arch/s390/mm/mmap.c
@@ -101,18 +101,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
int s390_mmap_check(unsigned long addr, unsigned long len, unsigned long flags)
{
- int rc;
-
if (is_compat_task() || (TASK_SIZE >= (1UL << 53)))
return 0;
if (!(flags & MAP_FIXED))
addr = 0;
- if ((addr + len) >= TASK_SIZE) {
- rc = crst_table_upgrade(current->mm, 1UL << 53);
- if (rc)
- return rc;
- update_mm(current->mm, current);
- }
+ if ((addr + len) >= TASK_SIZE)
+ return crst_table_upgrade(current->mm, 1UL << 53);
return 0;
}
@@ -132,7 +126,6 @@ s390_get_unmapped_area(struct file *filp, unsigned long addr,
rc = crst_table_upgrade(mm, 1UL << 53);
if (rc)
return (unsigned long) rc;
- update_mm(mm, current);
area = arch_get_unmapped_area(filp, addr, len, pgoff, flags);
}
return area;
@@ -155,7 +148,6 @@ s390_get_unmapped_area_topdown(struct file *filp, const unsigned long addr,
rc = crst_table_upgrade(mm, 1UL << 53);
if (rc)
return (unsigned long) rc;
- update_mm(mm, current);
area = arch_get_unmapped_area_topdown(filp, addr, len,
pgoff, flags);
}