[PATCH] x86: move free_initrd_mem() to common mm/init.c

[Pekka Enberg <penberg@cs.helsinki.fi>]

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

The function is identical on 32-bit and 64-bit configurations so move it to the
common mm/init.c file.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 arch/x86/mm/init.c    |    7 +++++++
 arch/x86/mm/init_32.c |    7 -------
 arch/x86/mm/init_64.c |    7 -------
 3 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index ce6a722..201bf4a 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -47,3 +47,10 @@ void free_initmem(void)
 			(unsigned long)(&__init_begin),
 			(unsigned long)(&__init_end));
 }
+
+#ifdef CONFIG_BLK_DEV_INITRD
+void free_initrd_mem(unsigned long start, unsigned long end)
+{
+	free_init_pages("initrd memory", start, end);
+}
+#endif
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 0b087dc..d6bd5c4 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -1200,13 +1200,6 @@ void mark_rodata_ro(void)
 }
 #endif
 
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
-	free_init_pages("initrd memory", start, end);
-}
-#endif
-
 int __init reserve_bootmem_generic(unsigned long phys, unsigned long len,
 				   int flags)
 {
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index aae8745..8df5919 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -983,13 +983,6 @@ void mark_rodata_ro(void)
 
 #endif
 
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
-	free_init_pages("initrd memory", start, end);
-}
-#endif
-
 int __init reserve_bootmem_generic(unsigned long phys, unsigned long len,
 				   int flags)
 {
-- 
1.5.4.3