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migration: migrate_vmas should check "vma"
[safe/jmp/linux-2.6]
/
mm
/
migrate.c
diff --git
a/mm/migrate.c
b/mm/migrate.c
index
2bb4e1d
..
a9eff3f
100644
(file)
--- a/
mm/migrate.c
+++ b/
mm/migrate.c
@@
-1129,7
+1129,7
@@
int migrate_vmas(struct mm_struct *mm, const nodemask_t *to,
struct vm_area_struct *vma;
int err = 0;
struct vm_area_struct *vma;
int err = 0;
- for
(vma = mm->mmap; vma->vm_next
&& !err; vma = vma->vm_next) {
+ for
(vma = mm->mmap; vma
&& !err; vma = vma->vm_next) {
if (vma->vm_ops && vma->vm_ops->migrate) {
err = vma->vm_ops->migrate(vma, to, from, flags);
if (err)
if (vma->vm_ops && vma->vm_ops->migrate) {
err = vma->vm_ops->migrate(vma, to, from, flags);
if (err)