mm/mmap: Add validate_mm() to __vma_adjust() start

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

diff --git a/mm/mmap.c b/mm/mmap.c
index bebce12197b7fcc159f4f1f6c4a29786bf639fb8..fe950d52c8dab258a9bb17a57e7a69e395f8aab0 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -649,6 +649,7 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
        long adjust_next = 0;
        int remove_next = 0;
 
+       validate_mm(mm);
        if (next && !insert) {
                struct vm_area_struct *exporter = NULL, *importer = NULL;