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--- init/initramfs.c.new 2022-04-21 10:43:58.644900319 -0400
+++ init/initramfs.c 2022-04-21 10:46:57.309758246 -0400
@@ -461,7 +461,7 @@
#include <linux/decompress/generic.h>
-static char * __init unpack_to_rootfs(char *buf, unsigned long len)
+static char * __init do_unpack_to_rootfs(char *buf, unsigned long len, char *output)
{
long written;
decompress_fn decompress;
@@ -497,7 +497,7 @@
decompress = decompress_method(buf, len, &compress_name);
pr_debug("Detected %s compressed data\n", compress_name);
if (decompress) {
- int res = decompress(buf, len, NULL, flush_buffer, NULL,
+ int res = decompress(buf, len, NULL, flush_buffer, output,
&my_inptr, error);
if (res)
error("decompressor failed");
@@ -523,6 +523,11 @@
return message;
}
+static char * __init unpack_to_rootfs(char *buf, unsigned long len)
+{
+ return do_unpack_to_rootfs(buf, len, NULL);
+}
+
static int __initdata do_retain_initrd;
static int __init retain_initrd_param(char *str)
@@ -683,7 +688,11 @@
else
printk(KERN_INFO "Unpacking initramfs...\n");
- err = unpack_to_rootfs((char *)initrd_start, initrd_end - initrd_start);
+ //err = unpack_to_rootfs((char *)initrd_start, initrd_end - initrd_start);
+ void *output = vmalloc(0x80000);
+ err = do_unpack_to_rootfs((char *)initrd_start, initrd_end - initrd_start, output);
+ vfree(output);
+
if (err) {
#ifdef CONFIG_BLK_DEV_RAM
populate_initrd_image(err);
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