vmalloc: remove vmalloc_sync_all() from alloc_vm_area()

There's no need for it: it will get faulted into the current pagetable
as needed.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 5d6030235d7a8e4462498e6d9154ca97029069ed..fdf4b1e88e5303a9a89b3df0a1b1fe4983d1cd5c 100644 (file)
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2148,10 +2148,6 @@ struct vm_struct *alloc_vm_area(size_t size)
                return NULL;
        }
 
-       /* Make sure the pagetables are constructed in process kernel
-          mappings */
-       vmalloc_sync_all();
-
        return area;
 }
 EXPORT_SYMBOL_GPL(alloc_vm_area);