From: Ben Pfaff <blp@cs.stanford.edu>
Date: Sat, 1 Jan 2005 19:40:50 +0000 (+0000)
Subject: Comment.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6dca07ec0e8cde38f64f0c9f543b8e52ba169e94;p=pintos-anon

Comment.
---

diff --git a/src/userprog/pagedir.c b/src/userprog/pagedir.c
index 3f0e9fb..c0a015a 100644
--- a/src/userprog/pagedir.c
+++ b/src/userprog/pagedir.c
@@ -199,11 +199,11 @@ pagedir_activate (uint32_t *pd)
 static uint32_t *
 active_pd (void) 
 {
+  /* Copy CR3, the page directory base register (PDBR), into
+     `pd'.
+     See [IA32-v2a] "MOV--Move to/from Control Registers" and
+     [IA32-v3] 3.7.5. */
   uint32_t *pd;
-
-  /* Copy CR3, the page directory base register (PDBR), into `pd'
-     for us to examine.  See [IA32-v2a] "MOV--Move to/from
-     Control Registers" and [IA32-v3] 3.7.5. */
   asm ("movl %%cr3,%0" : "=r" (pd));
   return pd;
 }