1 files changed, 4 insertions, 0 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6d00f746c2fd..1bad301820c7 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1584,6 +1584,10 @@ void __init page_alloc_init_late(void)
         /* Reinit limits that are based on free pages after the kernel is up */
         files_maxfiles_init();
 #endif
+#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
+        /* Discard memblock private memory */
+        memblock_discard();
+#endif
 
         for_each_populated_zone(zone)
                 set_zone_contiguous(zone);