[PATCH] mm/vma: fix bookkeeping checks

["Liam R. Howlett" <Liam.Howlett@oracle.com>]

From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>

Switch the order of the checking.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---
 mm/vma.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Please squash this into 06/21.

diff --git a/mm/vma.c b/mm/vma.c
index 58604fe3bd03..b0c481d08612 100644
--- a/mm/vma.c
+++ b/mm/vma.c
@@ -719,13 +719,13 @@ static void vms_complete_munmap_vmas(struct vma_munmap_struct *vms,
 	update_hiwater_vm(mm);
 	/* Stat accounting */
 	WRITE_ONCE(mm->total_vm, READ_ONCE(mm->total_vm) - vms->nr_pages);
-	mm->exec_vm -= vms->exec_vm;
-	mm->stack_vm -= vms->stack_vm;
-	mm->data_vm -= vms->data_vm;
 	/* Paranoid bookkeeping */
 	VM_WARN_ON(vms->exec_vm > mm->exec_vm);
 	VM_WARN_ON(vms->stack_vm > mm->stack_vm);
 	VM_WARN_ON(vms->data_vm > mm->data_vm);
+	mm->exec_vm -= vms->exec_vm;
+	mm->stack_vm -= vms->stack_vm;
+	mm->data_vm -= vms->data_vm;
 
 	/* Remove and clean up vmas */
 	mas_set(mas_detach, 0);
-- 
2.43.0