init: introduce mm_init()

As suggested by Christoph Lameter, introduce mm_init() now that we initialize
all the kernel memory allocations together.

Cc: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>

1 files changed, 11 insertions, 6 deletions

diff --git a/init/main.c b/init/main.c
index 6d38f9607d14..7917695bf71e 100644
--- a/init/main.c
+++ b/init/main.c
@@ -533,6 +533,16 @@ void __init __weak thread_info_cache_init(void)
 {
 }
 
+/*
+ * Set up kernel memory allocators
+ */
+static void __init mm_init(void)
+{
+        mem_init();
+        kmem_cache_init();
+        vmalloc_init();
+}
+
 asmlinkage void __init start_kernel(void)
 {
         char * command_line;
@@ -590,12 +600,7 @@ asmlinkage void __init start_kernel(void)
         vfs_caches_init_early();
         sort_main_extable();
         trap_init();
-        /*
-         * Set up kernel memory allocators
-         */
-        mem_init();
-        kmem_cache_init();
-        vmalloc_init();
+        mm_init();
         /*
          * Set up the scheduler prior starting any interrupts (such as the
          * timer interrupt). Full topology setup happens at smp_init()