Eliminate user_page_limit global symbol.

[pintos-anon] / src / threads / palloc.c

diff --git a/src/threads/palloc.c b/src/threads/palloc.c
index eab41e4811b15d074acf74ab27592d9eb56bb678..b2fcafea91ce5e6633a3ea2651e39d7376ad7977 100644 (file)
--- a/src/threads/palloc.c
+++ b/src/threads/palloc.c
@@ -35,18 +35,16 @@ struct pool
   };
 
 /* Two pools: one for kernel data, one for user pages. */
-struct pool kernel_pool, user_pool;
-
-/* Maximum number of pages to put in user pool. */
-size_t user_page_limit = SIZE_MAX;
+static struct pool kernel_pool, user_pool;
 
 static void init_pool (struct pool *, void *base, size_t page_cnt,
                        const char *name);
 static bool page_from_pool (const struct pool *, void *page);
 
-/* Initializes the page allocator. */
+/* Initializes the page allocator.  At most USER_PAGE_LIMIT
+   pages are put into the user pool. */
 void
-palloc_init (void) 
+palloc_init (size_t user_page_limit)
 {
   /* End of the kernel as recorded by the linker.
      See kernel.lds.S. */