1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 7f3adfda337a..364789aae9f3 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -31,6 +31,7 @@ struct vm_struct {
         struct page             **pages;
         unsigned int            nr_pages;
         unsigned long           phys_addr;
+        void                    *caller;
 };
 
 /*
@@ -66,6 +67,8 @@ static inline size_t get_vm_area_size(const struct vm_struct *area)
 }
 
 extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags);
+extern struct vm_struct *get_vm_area_caller(unsigned long size,
+                                        unsigned long flags, void *caller);
 extern struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
                                         unsigned long start, unsigned long end);
 extern struct vm_struct *get_vm_area_node(unsigned long size,