linux-kernel - [PATCH] init: introduce mm

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Message-ID: <Pine.LNX.4.64.0906111846590.16970@melkki.cs.Helsinki.FI>
Date:	Thu, 11 Jun 2009 18:47:40 +0300 (EEST)
From:	Pekka J Enberg <penberg@...helsinki.fi>
To:	linux-kernel@...r.kernel.org
cc:	cl@...ux-foundation.org, mingo@...e.hu,
	torvalds@...ux-foundation.org
Subject: [PATCH] init: introduce mm_init()

From: Pekka Enberg <penberg@...helsinki.fi>

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

Cc: Christoph Lameter <cl@...ux-foundation.org>
Signed-off-by: Pekka Enberg <penberg@...helsinki.fi>
---
 init/main.c |   17 +++++++++++------
 1 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/init/main.c b/init/main.c
index 6d38f96..9e4bc82 100644
--- a/init/main.c
+++ b/init/main.c
@@ -533,6 +533,16 @@ void __init __weak thread_info_cache_init(void)
 {
 }
 
+static void __init mm_init(void)
+{
+	/*
+	 * Set up kernel memory allocators
+	 */
+	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()
-- 
1.6.0.4

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