initramfs: poison freed initrd memory

[linux-2.6-microblaze.git] / init / initramfs.c

diff --git a/init/initramfs.c b/init/initramfs.c
index cb3d177..435a428 100644 (file)
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -527,6 +527,12 @@ extern unsigned long __initramfs_size;
 #include <linux/initrd.h>
 #include <linux/kexec.h>
 
+void __weak free_initrd_mem(unsigned long start, unsigned long end)
+{
+       free_reserved_area((void *)start, (void *)end, POISON_FREE_INITMEM,
+                       "initrd");
+}
+
 #ifdef CONFIG_KEXEC_CORE
 static bool kexec_free_initrd(void)
 {