aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/entry/vdso/vma.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/entry/vdso/vma.c')
-rw-r--r--arch/x86/entry/vdso/vma.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c
index ea7c1f0b79df..9185cb1d13b9 100644
--- a/arch/x86/entry/vdso/vma.c
+++ b/arch/x86/entry/vdso/vma.c
@@ -144,8 +144,7 @@ int vdso_join_timens(struct task_struct *task, struct time_namespace *ns)
struct mm_struct *mm = task->mm;
struct vm_area_struct *vma;
- if (mmap_write_lock_killable(mm))
- return -EINTR;
+ mmap_read_lock(mm);
for (vma = mm->mmap; vma; vma = vma->vm_next) {
unsigned long size = vma->vm_end - vma->vm_start;
@@ -154,7 +153,7 @@ int vdso_join_timens(struct task_struct *task, struct time_namespace *ns)
zap_page_range(vma, vma->vm_start, size);
}
- mmap_write_unlock(mm);
+ mmap_read_unlock(mm);
return 0;
}
#else