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-rw-r--r--mm/mmap.c1
-rw-r--r--mm/vma.c5
2 files changed, 5 insertions, 1 deletions
diff --git a/mm/mmap.c b/mm/mmap.c
index 548bc45a27bf..dce1cc74ecdb 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1796,6 +1796,7 @@ static int do_brk_flags(struct vma_iterator *vmi, struct vm_area_struct *vma,
vma_iter_store(vmi, vma);
vma_complete(&vp, vmi, mm);
+ validate_mm(mm);
khugepaged_enter_vma(vma, flags);
goto out;
}
diff --git a/mm/vma.c b/mm/vma.c
index 6d042cd46cdb..4e08c1654bdd 100644
--- a/mm/vma.c
+++ b/mm/vma.c
@@ -269,6 +269,7 @@ static int __split_vma(struct vma_iterator *vmi, struct vm_area_struct *vma,
/* vma_complete stores the new vma */
vma_complete(&vp, vmi, vma->vm_mm);
+ validate_mm(vma->vm_mm);
/* Success. */
if (new_below)
@@ -548,6 +549,7 @@ int vma_expand(struct vma_iterator *vmi, struct vm_area_struct *vma,
vma_iter_store(vmi, vma);
vma_complete(&vp, vmi, vma->vm_mm);
+ validate_mm(vma->vm_mm);
return 0;
nomem:
@@ -589,6 +591,7 @@ int vma_shrink(struct vma_iterator *vmi, struct vm_area_struct *vma,
vma_iter_clear(vmi);
vma_set_range(vma, start, end, pgoff);
vma_complete(&vp, vmi, vma->vm_mm);
+ validate_mm(vma->vm_mm);
return 0;
}
@@ -668,7 +671,6 @@ again:
}
if (vp->insert && vp->file)
uprobe_mmap(vp->insert);
- validate_mm(mm);
}
/*
@@ -1197,6 +1199,7 @@ static struct vm_area_struct
}
vma_complete(&vp, vmi, mm);
+ validate_mm(mm);
khugepaged_enter_vma(res, vm_flags);
return res;