diff -urN linux.orig/fs/Config.in linux/fs/Config.in
--- linux.orig/fs/Config.in	Fri Oct 27 04:23:18 2000
+++ linux/fs/Config.in	Fri Oct 27 03:57:52 2000
@@ -29,6 +29,10 @@
 	int 'JFFS debugging verbosity (0 = quiet, 3 = noisy)' CONFIG_JFFS_FS_VERBOSE 0
 fi
 tristate 'Compressed ROM file system support' CONFIG_CRAMFS
+dep_mbool 'Linear addressing for CRAMFS' CONFIG_CRAMFS_LINEAR_ADDRESSING $CONFIG_CRAMFS
+if [ "$CONFIG_CRAMFS_LINEAR_ADDRESSING" != "n" ] ; then
+	hex 'Starting address for CRAMFS filesystem' CONFIG_CRAMFS_LA_ADDRESS bf200008
+fi
 tristate 'Simple RAM-based file system support' CONFIG_RAMFS
 
 tristate 'ISO 9660 CDROM file system support' CONFIG_ISO9660_FS
diff -urN linux.orig/fs/cramfs/inode.c linux/fs/cramfs/inode.c
--- linux.orig/fs/cramfs/inode.c	Fri Oct 27 04:22:36 2000
+++ linux/fs/cramfs/inode.c	Fri Oct 27 04:30:18 2000
@@ -11,6 +11,20 @@
  * The actual compression is based on zlib, see the other files.
  */
 
+/* Linear Addressing code
+ *
+ * Copyright (C) 2000 Shane Nay.
+ *
+ * Allows you to have a linearly addressed cramfs filesystem.
+ * Saves the need for buffer, and the munging of the buffer.
+ * Savings a bit over 32k with default PAGE_SIZE, BUFFER_SIZE
+ * etc.  Usefull on embedded platform with ROM :-).
+ *
+ * Downsides- Currently linear addressed cramfs partitions
+ * don't co-exist with block cramfs partitions.
+ *
+ */
+
 #include <linux/module.h>
 #include <linux/fs.h>
 #include <linux/pagemap.h>
@@ -68,6 +82,23 @@
 	return inode;
 }
 
+#if defined(CONFIG_CRAMFS_CRAMFS_LINEAR_ADDRESSING) && defined (CONFIG_CRAMFS_LA_ADDRESS)
+
+/*
+ * Returns a pointer to the linearly addressed filesystem.
+ * Simple byte size pointer addition.
+ */
+static unsigned char* romdisk_top=(unsigned char*) CONFIG_CRAMFS_LA_ADDRESS;
+
+static void *cramfs_read(struct super_block *sb, unsigned int offset, unsigned int len)
+{
+	if (!len)
+		return NULL;
+	return romdisk_top + offset;
+}
+
+#else /* !CONFIG_CRAMFS_LINEAR_ADDRESSING aka Regular block mode */
+
 /*
  * We have our own block cache: don't fill up the buffer cache
  * with the rom-image, because the way the filesystem is set
@@ -149,6 +180,8 @@
 	}
 	return read_buffers[buffer] + offset;
 }
+
+#endif
 			
 
 static struct super_block * cramfs_read_super(struct super_block *sb, void *data, int silent)
@@ -161,10 +194,11 @@
 	set_blocksize(sb->s_dev, PAGE_CACHE_SIZE);
 	sb->s_blocksize = PAGE_CACHE_SIZE;
 	sb->s_blocksize_bits = PAGE_CACHE_SHIFT;

+#if !( defined(CONFIG_CRAMFS_CRAMFS_LINEAR_ADDRESSING) && defined (CONFIG_CRAMFS_LA_ADDRESS) )
 	/* Invalidate the read buffers on mount: think disk change.. */
 	for (i = 0; i < READ_BUFFERS; i++)
 		buffer_blocknr[i] = -1;
+#endif
 
 	/* Read the first block and get the superblock from it */
 	memcpy(&super, cramfs_read(sb, 0, sizeof(super)), sizeof(super));