diff -urN cfree-1.1/Makefile cfree-2.0/Makefile
--- cfree-1.1/Makefile	2003-06-10 12:24:08.000000000 -0400
+++ cfree-2.0/Makefile	2004-08-02 21:30:59.000000000 -0400
@@ -1,21 +1,23 @@
-TARGET  := procfs
 WARN    := -W -Wstrict-prototypes -Wmissing-prototypes
-INCLUDE := -isystem /lib/modules/`uname -r`/build/include
-CFLAGS  := -c -O2 -DMODULE -D__KERNEL__ ${WARN} ${INCLUDE}
 CC      := gcc
 
-cfree.o: cfree.c
-	$(CC) $(CFLAGS) -o cfree.o cfree.c
+obj-m := cfree.o
+
+all:	cfree_front cfree
+.PHONY: all install
+
+cfree:
+	$(MAKE) -C /lib/modules/`uname -r`/build SUBDIRS=$(PWD) modules
 
 cfree_front: cfree_front.c
 	$(CC) -DDEBUG -o cfree_front cfree_front.c
 
-proctest2.o: proctest2.c
-	$(CC) $(CFLAGS) -o proctest2.o proctest2.c
+install: cfree
+	$(MAKE) -C /lib/modules/`uname -r`/build SUBDIRS=$(PWD) modules_install
 
 ${TARGET}.o: ${TARGET}.c
 	$(CC) $(CFLAGS) -o $(TARGET).o $(TARGET).c
 
-tests: tests.c
-	$(CC) -g -o tests tests.c
-
+.PHONY: clean
+clean:  
+	rm -f *.o .*.o.cmd *.ko .*.ko.cmd cfree.mod.c cfree_front
diff -urN cfree-1.1/cfree.c cfree-2.0/cfree.c
--- cfree-1.1/cfree.c	2003-06-10 12:24:08.000000000 -0400
+++ cfree-2.0/cfree.c	2004-08-02 21:32:24.000000000 -0400
@@ -13,17 +13,26 @@
  *
  * NOTE: this will not free locked pages.
  */
+
+/* 
+ * [August 2004 Mathieu Desnoyers] Port to 2.6 kernel
+ */
+
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/fs.h>
+#include <linux/namei.h>
 #include <linux/init.h>
 #include <linux/proc_fs.h>
 #include <linux/namespace.h>
 #include <linux/sched.h>
+#include <linux/mm.h>
 #include <asm/uaccess.h>
 
-#define MODULE_VERSION "$Id: cfree.c,v 1.11 2003/06/10 19:30:31 adlr Exp $"
-#define MODULE_NAME "cfree"
+#define DRV_VERSION "2.0"
+#define DRV_NAME "cfree"
+#define DRV_RELDATE "02Aug2004"
+
 #define PROC_FILENAME "cfree"
 #define CLEAR 0 /* clear the buffers */
 #define VIEW  1 /* only view them */
@@ -34,6 +43,10 @@
 
 #define QUIET 1
 
+static char version[] __initdata = 
+KERN_INFO DRV_NAME ".c:" DRV_VERSION " " DRV_RELDATE " adlr@umich.edu\n"
+KERN_INFO "    http://gizmolabs.org/~andrew/andrewweb/projects.php\n";
+
 static struct proc_dir_entry *d;
 static char                   data[LEN + 1];
 static int                    pages;
@@ -55,8 +68,9 @@
 static int cfree_path_lookup(const char *path, unsigned flags,
 		       struct nameidata *nd) {
     int error = 0;
-    if (path_init(path, flags, nd))
-	error = path_walk(path, nd);
+    
+    error = path_lookup(path, flags, nd);
+
     return error;
 }
 
@@ -94,7 +108,7 @@
 	printk(KERN_INFO);
 	for (i = 0; i < offset; i++)
 	    printk("  ");
-	printk("%x (clean)\n", pg->index);
+	printk("%lx (clean)\n", pg->index);
 #endif /* QUIET */
 	ret++;
     }
@@ -107,7 +121,7 @@
 	printk(KERN_INFO);
 	for (i = 0; i < offset; i++)
 	    printk("  ");
-	printk("%x (dirty)\n", pg->index);
+	printk("%lx (dirty)\n", pg->index);
 #endif /* QUIET */
 	ret++;
     }
@@ -120,7 +134,7 @@
 	printk(KERN_INFO);
 	for (i = 0; i < offset; i++)
 	    printk("  ");
-	printk("%x (locked)\n", pg->index);
+	printk("%lx (locked)\n", pg->index);
 #endif /* QUIET */
 	ret++;
     }
@@ -132,7 +146,7 @@
 	printk("  ");
     printk("[%s]\n", root->d_name.name);
     if (!strcmp(root->d_name.name, "insmod")) {
-	printk(KERN_INFO "  (parent: [%s]; name: %x)\n",
+	printk(KERN_INFO "  (parent: [%s]; name: %s)\n",
 	       root->d_parent->d_name.name, root->d_name.name);
     }
 #endif /* QUIET */
@@ -142,10 +156,13 @@
 #endif /* QUIET */
 	/* free my pages */
 	/* write dirty pages to disk */
-	fsync_buffers_list(&root->d_inode->i_dirty_data_buffers);
-	fsync_buffers_list(&root->d_inode->i_dirty_buffers);
+	filemap_fdatawrite(root->d_inode->i_mapping);
+        
+	/* MD : unnecessary check ? fdatawrite should be enough. */
+	filemap_fdatawait(root->d_inode->i_mapping);
+
 	/* now for the piece de resistance */
-	invalidate_inode_pages(root->d_inode);
+	invalidate_inode_pages(root->d_inode->i_mapping);
     }
     return ret;
 }
@@ -169,7 +186,7 @@
 	"\techo -n v /path/to/directory > /proc/" PROC_FILENAME "\n"
 	"To clear the buffer cache allocated below a directory:\n"
 	"\techo -n c /path/to/directory > /proc/" PROC_FILENAME "\n";
-    slen = snprintf(data, LEN, "%i", pages);
+    slen = snprintf(data, LEN, "%sNumber of pages : %i\n", message, pages);
     len = MIN(slen, count);
     if (len)
 	memcpy(page + off, data, len);
@@ -191,14 +208,11 @@
     int action = CLEAR;
     int ret = count;
 
-    MOD_INC_USE_COUNT;
-
     if (count < 3) return -EINVAL;
 	/* because 'v /' would be the smallest command */
     if (buffer[0] == 'v') action = VIEW; else
 	if (buffer[0] != 'c') {
 	    /* illegal command */
-	    MOD_DEC_USE_COUNT;
 	    return -EINVAL;
 	}
     if (buffer[1] != ' ')
@@ -206,7 +220,6 @@
     len = MIN(LEN, count-2);
     if (copy_from_user(data, buffer+2, len)) {
 	memcpy(data, "err\n", 5);
-	MOD_DEC_USE_COUNT;
 	return -EFAULT;
     }
     data[len] = '\0';
@@ -214,7 +227,7 @@
     printk(KERN_INFO "Got path: [%s]\n", data);
 #endif /* QUIET */
     /* parse path */
-    err = cfree_path_lookup(data, 1, &nd);
+    err = cfree_path_lookup(data, 0, &nd);
     if (err) {
 #ifdef QUIET
 	printk(KERN_INFO "got error %i\n", err);
@@ -229,12 +242,10 @@
 	/* free buffer cache from that dentry and below. */
 	pages = recursive_free(nd.dentry, 0, action);
     } else {
-	MOD_DEC_USE_COUNT;
 	ret = -EINVAL;
     }
     path_release(&nd);
  end:
-    MOD_DEC_USE_COUNT;
     return ret;
 }
 
@@ -247,14 +258,13 @@
     d->read_proc = read_fxn;
     d->write_proc = write_fxn;
     d->owner = THIS_MODULE;
-    printk(KERN_INFO "%s %s initialized\n", MODULE_NAME, MODULE_VERSION);
+    printk(version);
     return 0;
 }
 
 /* free the module */
 static void __exit cfree_cleanup(void) {
     remove_proc_entry(PROC_FILENAME, NULL);
-    printk(KERN_INFO "%s %s removed\n", MODULE_NAME, MODULE_VERSION);
 }
 
 module_init(cfree_init);
@@ -266,5 +276,3 @@
 				       * procfs */
 MODULE_DESCRIPTION("Buffer-cache eraser");
 MODULE_LICENSE("GPL");
-
-EXPORT_NO_SYMBOLS;