1 files changed, 5 insertions, 1 deletions

diff --git a/mm/mmap.c b/mm/mmap.c
index 456ec6f27889..e38e910cb756 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1734,8 +1734,10 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address)
                 grow = (address - vma->vm_end) >> PAGE_SHIFT;
 
                 error = acct_stack_growth(vma, size, grow);
-                if (!error)
+                if (!error) {
                         vma->vm_end = address;
+                        perf_event_mmap(vma);
+                }
         }
         anon_vma_unlock(vma);
         return error;
@@ -1781,6 +1783,7 @@ static int expand_downwards(struct vm_area_struct *vma,
                 if (!error) {
                         vma->vm_start = address;
                         vma->vm_pgoff -= grow;
+                        perf_event_mmap(vma);
                 }
         }
         anon_vma_unlock(vma);
@@ -2208,6 +2211,7 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
         vma->vm_page_prot = vm_get_page_prot(flags);
         vma_link(mm, vma, prev, rb_link, rb_parent);
 out:
+        perf_event_mmap(vma);
         mm->total_vm += len >> PAGE_SHIFT;
         if (flags & VM_LOCKED) {
                 if (!mlock_vma_pages_range(vma, addr, addr + len))