X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flib%2Fkernel%2Fhash.h;h=0dd0c3d9bfe232185d510b6a5ee55e88576a4878;hb=758240de3a0794f35418a301fbd431b8788f13a5;hp=e37592bfbeae5d32ac2928dcecb8b6470b1f0ad2;hpb=f2f8875638593bd5365cfd6a5ba7c9578e52322f;p=pintos-anon

diff --git a/src/lib/kernel/hash.h b/src/lib/kernel/hash.h
index e37592b..0dd0c3d 100644
--- a/src/lib/kernel/hash.h
+++ b/src/lib/kernel/hash.h
@@ -1,5 +1,5 @@
-#ifndef HEADER_HASH_H
-#define HEADER_HASH_H 1
+#ifndef __LIB_KERNEL_HASH_H
+#define __LIB_KERNEL_HASH_H
 
 /* Hash table.
 
@@ -12,11 +12,12 @@
    structure that can potentially be in a hash must embed a
    hash_elem member.  All of the hash functions operate on these
    `hash_elem's.  The hash_entry macro allows conversion from a
-   hash_elem back to a structure object that contains it.
+   hash_elem back to a structure object that contains it.  This
+   is the same technique used in the linked list implementation.
+   Refer to lib/kernel/list.h for a detailed explanation.
 
-   
-
-*/
+   The FAQ for the VM project contains a detailed example of how
+   to use the hash table. */
 
 #include <stdbool.h>
 #include <stddef.h>
@@ -88,4 +89,4 @@ unsigned hash_bytes (const void *, size_t);
 unsigned hash_string (const char *);
 unsigned hash_int (int);
 
-#endif /* hash.h */
+#endif /* lib/kernel/hash.h */