1 files changed, 7 insertions, 0 deletions

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index cb5aabda7046..faa2a521dea3 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -755,3 +755,10 @@ out_einval_locked:
 }
 EXPORT_SYMBOL(remap_vmalloc_range);
 
+/*
+ * Implement a stub for vmalloc_sync_all() if the architecture chose not to
+ * have one.
+ */
+void  __attribute__((weak)) vmalloc_sync_all(void)
+{
+}