diff -urN -X dontdiff linux/fs/dcache.c fscache/fs/dcache.c
--- linux/fs/dcache.c	Mon Aug  7 08:57:57 2000
+++ fscache/fs/dcache.c	Mon Aug  7 15:50:40 2000
@@ -1240,6 +1240,9 @@
 /* SLAB cache for buffer_head structures */
 kmem_cache_t *bh_cachep;
 
+/* SLAB cache for fs_struct structures */
+kmem_cache_t *fs_cachep;
+
 void __init vfs_caches_init(unsigned long mempages)
 {
 	bh_cachep = kmem_cache_create("buffer_head",
@@ -1253,6 +1256,12 @@
 			SLAB_HWCACHE_ALIGN, NULL, NULL);
 	if (!names_cachep)
 		panic("Cannot create names SLAB cache");
+
+	fs_cachep = kmem_cache_create("fs_cache", 
+			 sizeof(struct fs_struct), 0, 
+			 SLAB_HWCACHE_ALIGN, NULL, NULL);
+	if (!fs_cachep) 
+		panic("Cannot create fs_struct SLAB cache");
 
 	files_cachep = kmem_cache_create("files_cache", 
 			 sizeof(struct files_struct), 0, 
diff -urN -X dontdiff linux/include/linux/slab.h fscache/include/linux/slab.h
--- linux/include/linux/slab.h	Mon Aug  7 08:57:58 2000
+++ fscache/include/linux/slab.h	Mon Aug  7 15:50:49 2000
@@ -72,6 +72,7 @@
 extern kmem_cache_t	*filp_cachep;
 extern kmem_cache_t	*dquot_cachep;
 extern kmem_cache_t	*bh_cachep;
+extern kmem_cache_t	*fs_cachep;
 
 #ifdef CONFIG_SMP
 extern unsigned long slab_cache_drain_mask;
diff -urN -X dontdiff linux/kernel/exit.c fscache/kernel/exit.c
--- linux/kernel/exit.c	Mon Aug  7 08:57:58 2000
+++ fscache/kernel/exit.c	Mon Aug  7 15:48:26 2000
@@ -229,7 +229,7 @@
 			dput(fs->altroot);
 			mntput(fs->altrootmnt);
 		}
-		kfree(fs);
+		kmem_cache_free(fs_cachep, fs);
 	}
 }
 
diff -urN -X dontdiff linux/kernel/fork.c fscache/kernel/fork.c
--- linux/kernel/fork.c	Mon Aug  7 08:57:58 2000
+++ fscache/kernel/fork.c	Mon Aug  7 15:49:38 2000
@@ -318,7 +318,7 @@
 
 static inline struct fs_struct *__copy_fs_struct(struct fs_struct *old)
 {
-	struct fs_struct *fs = kmalloc(sizeof(*old), GFP_KERNEL);
+	struct fs_struct *fs = kmem_cache_alloc(fs_cachep, GFP_KERNEL);
 	/* We don't need to lock fs - think why ;-) */
 	if (fs) {
 		atomic_set(&fs->count, 1);