X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fthreads%2Fpalloc.h;h=cb3b70e94c93b6642ae35b74eee636da594c2d8d;hb=bcf9f9ab10a3df0fd12e6e69944307a63967a521;hp=9bd076f4214b3f493fcbdfee955b758a5b20a221;hpb=750d21936d284127e265d050ccbce76fca1ece1a;p=pintos-anon

diff --git a/src/threads/palloc.h b/src/threads/palloc.h
index 9bd076f..cb3b70e 100644
--- a/src/threads/palloc.h
+++ b/src/threads/palloc.h
@@ -1,20 +1,20 @@
-#ifndef HEADER_PALLOC_H
-#define HEADER_PALLOC_H 1
+#ifndef THREADS_PALLOC_H
+#define THREADS_PALLOC_H
 
-/* Page allocator.  Hands out memory in page-size chunks.
-   See malloc.h for an allocator that hands out smaller
-   chunks. */
-
-#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. */
   };
 
-void palloc_init (uint8_t *start, uint8_t *end);
-void *palloc_get (enum palloc_flags);
-void palloc_free (void *);
+void palloc_init (size_t user_page_limit);
+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 */