X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=init%2Fdo_mounts_initrd.c;h=a9c6cc56f505e6210356b0c8d94e8aa90dbc2aa7;hb=5bf9a06a5f7ca525621f4117257a49dc5a2786da;hp=73e02ea5d5d18b4ea77a2e52aa5985a98818278c;hpb=75f95da078b2891cd186f074ffc15a8e7c3f082d;p=linux.git

diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
index 73e02ea5d5d1..a9c6cc56f505 100644
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
@@ -8,6 +8,7 @@
 #include <linux/sched.h>
 #include <linux/freezer.h>
 #include <linux/kmod.h>
+#include <uapi/linux/mount.h>
 
 #include "do_mounts.h"
 
@@ -16,6 +17,9 @@ int initrd_below_start_ok;
 unsigned int real_root_dev;	/* do_proc_dointvec cannot handle kdev_t */
 static int __initdata mount_initrd = 1;
 
+phys_addr_t phys_initrd_start __initdata;
+unsigned long phys_initrd_size __initdata;
+
 static int __init no_initrd(char *str)
 {
 	mount_initrd = 0;
@@ -24,6 +28,23 @@ static int __init no_initrd(char *str)
 
 __setup("noinitrd", no_initrd);
 
+static int __init early_initrd(char *p)
+{
+	phys_addr_t start;
+	unsigned long size;
+	char *endp;
+
+	start = memparse(p, &endp);
+	if (*endp == ',') {
+		size = memparse(endp + 1, NULL);
+
+		phys_initrd_start = start;
+		phys_initrd_size = size;
+	}
+	return 0;
+}
+early_param("initrd", early_initrd);
+
 static int init_linuxrc(struct subprocess_info *info, struct cred *new)
 {
 	ksys_unshare(CLONE_FS | CLONE_FILES);