1 files changed, 3 insertions, 1 deletions

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 93b2dca2aadb..4c9e150e5ad3 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2125,6 +2125,7 @@ static void vm_remove_mappings(struct vm_struct *area, int deallocate_pages)
 {
         unsigned long start = ULONG_MAX, end = 0;
         int flush_reset = area->flags & VM_FLUSH_RESET_PERMS;
+        int flush_dmap = 0;
         int i;
 
         /*
@@ -2163,6 +2164,7 @@ static void vm_remove_mappings(struct vm_struct *area, int deallocate_pages)
                 if (addr) {
                         start = min(addr, start);
                         end = max(addr + PAGE_SIZE, end);
+                        flush_dmap = 1;
                 }
         }
 
@@ -2172,7 +2174,7 @@ static void vm_remove_mappings(struct vm_struct *area, int deallocate_pages)
          * reset the direct map permissions to the default.
          */
         set_area_direct_map(area, set_direct_map_invalid_noflush);
-        _vm_unmap_aliases(start, end, 1);
+        _vm_unmap_aliases(start, end, flush_dmap);
         set_area_direct_map(area, set_direct_map_default_noflush);
 }