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-rw-r--r--init/main.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/init/main.c b/init/main.c
index ca380ec685de..ed7e7ad5fee0 100644
--- a/init/main.c
+++ b/init/main.c
@@ -51,6 +51,7 @@
#include <linux/mempolicy.h>
#include <linux/key.h>
#include <linux/buffer_head.h>
+#include <linux/page_ext.h>
#include <linux/debug_locks.h>
#include <linux/debugobjects.h>
#include <linux/lockdep.h>
@@ -484,6 +485,11 @@ void __init __weak thread_info_cache_init(void)
*/
static void __init mm_init(void)
{
+ /*
+ * page_ext requires contiguous pages,
+ * bigger than MAX_ORDER unless SPARSEMEM.
+ */
+ page_ext_init_flatmem();
mem_init();
kmem_cache_init();
percpu_init_late();
@@ -621,6 +627,7 @@ asmlinkage __visible void __init start_kernel(void)
initrd_start = 0;
}
#endif
+ page_ext_init();
debug_objects_mem_init();
kmemleak_init();
setup_per_cpu_pageset();