1 files changed, 3 insertions, 0 deletions

diff --git a/init/main.c b/init/main.c
index 48df882d51d2..d2f1e086bf33 100644
--- a/init/main.c
+++ b/init/main.c
@@ -504,11 +504,14 @@ asmlinkage void __init start_kernel(void)
          * These use large bootmem allocations and must precede
          * kmem_cache_init()
          */
+        setup_log_buf(0);
         pidhash_init();
         vfs_caches_init_early();
         sort_main_extable();
         trap_init();
         mm_init();
+        BUG_ON(mm_init_cpumask(&init_mm, 0));
+
         /*
          * Set up the scheduler prior starting any interrupts (such as the
          * timer interrupt). Full topology setup happens at smp_init()