--- linux-2.6.27.orig/fs/Kconfig	2008-10-10 02:13:53 +0400
+++ linux-2.6.27.squash/fs/Kconfig	2009-06-19 17:57:16 +0400
@@ -1350,2 +1350,4 @@ config CRAMFS
 
+source "fs/squashfs/Kconfig"
+
 config VXFS_FS
--- linux-2.6.27.orig/fs/Makefile	2008-10-10 02:13:53 +0400
+++ linux-2.6.27.squash/fs/Makefile	2009-06-19 17:56:02 +0400
@@ -76,2 +76,3 @@ obj-$(CONFIG_EXT2_FS)		+= ext2/
 obj-$(CONFIG_CRAMFS)		+= cramfs/
+obj-$(CONFIG_SQUASHFS)		+= squashfs/
 obj-y				+= ramfs/
--- linux-2.6.27.orig/init/do_mounts_rd.c	2008-10-10 02:13:53 +0400
+++ linux-2.6.27.squash/init/do_mounts_rd.c	2009-06-19 17:53:22 +0400
@@ -11,2 +11,3 @@
 #include "do_mounts.h"
+#include "../fs/squashfs/squashfs_fs.h"
 
@@ -43,2 +44,3 @@ static int __init crd_load(int in_fd, in
  *	cramfs
+ *	squashfs
  * 	gzip
@@ -53,2 +55,3 @@ identify_ramdisk_image(int fd, int start
 	struct cramfs_super *cramfsb;
+	struct squashfs_super_block *squashfsb;
 	int nblocks = -1;
@@ -64,2 +67,3 @@ identify_ramdisk_image(int fd, int start
 	cramfsb = (struct cramfs_super *) buf;
+	squashfsb = (struct squashfs_super_block *) buf;
 	memset(buf, 0xe5, size);
@@ -101,2 +105,12 @@ identify_ramdisk_image(int fd, int start
 
+	/* squashfs is at block zero too */
+	if (le32_to_cpu(squashfsb->s_magic) == SQUASHFS_MAGIC) {
+		printk(KERN_NOTICE
+		       "RAMDISK: squashfs filesystem found at block %d\n",
+		       start_block);
+		nblocks = (le64_to_cpu(squashfsb->bytes_used) + BLOCK_SIZE - 1)
+			 >> BLOCK_SIZE_BITS;
+		goto done;
+	}
+
 	/*