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Rewrite palloc code so that it only touches the first 4 MB of RAM.
[pintos-anon]
/
src
/
threads
/
palloc.h
diff --git
a/src/threads/palloc.h
b/src/threads/palloc.h
index ba6aa741a954baf17e34cadc6a769974ca233dab..44cfb0efb406c35d2046ebb75fe57cae0b1fa31f 100644
(file)
--- a/
src/threads/palloc.h
+++ b/
src/threads/palloc.h
@@
-3,6
+3,7
@@
#include <stddef.h>
#include <stddef.h>
+/* How to allocate pages. */
enum palloc_flags
{
PAL_ASSERT = 001, /* Panic on failure. */
enum palloc_flags
{
PAL_ASSERT = 001, /* Panic on failure. */
@@
-11,7
+12,7
@@
enum palloc_flags
};
/* Maximum number of pages to put in user pool. */
};
/* Maximum number of pages to put in user pool. */
-extern size_t
user_page_limit
;
+extern size_t
max_user_pages
;
void palloc_init (void);
void *palloc_get_page (enum palloc_flags);
void palloc_init (void);
void *palloc_get_page (enum palloc_flags);