From: Hyok S. Choi <hyok.choi@samsung.com>
Date: Tue, 26 Sep 2006 08:37:07 +0000 (+0900)
Subject: [ARM] nommu: allows to support module in nommu
X-Git-Tag: v3.12-rc1~33657^2^2~11
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6a570b28b5948e7bf54ea42ec3161bded0a1c460;p=kernel%2Fkernel-generic.git

[ARM] nommu: allows to support module in nommu

A simple patch to support module in nommu mode.
The vmalloc is used instead of __vmalloc_area which depends on CONFIG_MMU.

Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index 298363d..1b06158 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -2,6 +2,7 @@
  *  linux/arch/arm/kernel/module.c
  *
  *  Copyright (C) 2002 Russell King.
+ *  Modified for nommu by Hyok S. Choi
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -32,6 +33,7 @@ extern void _etext;
 #define MODULE_START	(((unsigned long)&_etext + ~PGDIR_MASK) & PGDIR_MASK)
 #endif
 
+#ifdef CONFIG_MMU
 void *module_alloc(unsigned long size)
 {
 	struct vm_struct *area;
@@ -46,6 +48,12 @@ void *module_alloc(unsigned long size)
 
 	return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL);
 }
+#else /* CONFIG_MMU */
+void *module_alloc(unsigned long size)
+{
+	return size == 0 ? NULL : vmalloc(size);
+}
+#endif /* !CONFIG_MMU */
 
 void module_free(struct module *module, void *region)
 {