X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fuserprog%2Fpagedir.c;h=c0a015ae831ab20e88311538fb3eb541c0894b25;hb=6dca07ec0e8cde38f64f0c9f543b8e52ba169e94;hp=3f0e9fb47c1217c8bbe0266f8a5b6b7a9e130e0e;hpb=47fcd26fa98f931f15e5961998b2437e2789f8b3;p=pintos-anon

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;
 }