X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fthreads%2Fpalloc.h;h=2d41cf6d52e186633f014b7c0a5b482c08fc33b6;hb=93506894d5794e8c5e49f4600d5a51e3ad8092d7;hp=7250e98e64bc64089acc1f4276fc60e7a8da12c7;hpb=828d300fd2039b686b69244c2bd6f8b87645086d;p=pintos-anon

diff --git a/src/threads/palloc.h b/src/threads/palloc.h
index 7250e98..2d41cf6 100644
--- a/src/threads/palloc.h
+++ b/src/threads/palloc.h
@@ -1,16 +1,23 @@
-#ifndef HEADER_PALLOC_H
-#define HEADER_PALLOC_H 1
+#ifndef THREADS_PALLOC_H
+#define THREADS_PALLOC_H
 
-#include <stdint.h>
+#include <stddef.h>
 
+/* How to allocate pages. */
 enum palloc_flags
   {
     PAL_ASSERT = 001,           /* Panic on failure. */
-    PAL_ZERO = 002              /* Zero page contents. */
+    PAL_ZERO = 002,             /* Zero page contents. */
+    PAL_USER = 004              /* User page. */
   };
 
+/* Maximum number of pages to put in user pool. */
+extern size_t user_page_limit;
+
 void palloc_init (void);
-void *palloc_get (enum palloc_flags);
-void palloc_free (void *);
+void *palloc_get_page (enum palloc_flags);
+void *palloc_get_multiple (enum palloc_flags, size_t page_cnt);
+void palloc_free_page (void *);
+void palloc_free_multiple (void *, size_t page_cnt);
 
-#endif /* palloc.h */
+#endif /* threads/palloc.h */