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

Impact: cleanup

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>
LKML-Reference: <1236158020.29024.28.camel@penberg-laptop>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index f89df52683c5..cc7fe660f33d 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -71,3 +71,10 @@ 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