+Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
+
+ * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
+ (init_ggc): Use it instead of a constant.
+ (ggc_collect): Bound allocated_last_gc by it.
+
Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
* fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
one) before collection is performed. */
#define GGC_MIN_EXPAND_FOR_GC (1.3)
+/* Bound `allocated_last_gc' to 4MB, to prevent the memory expansion
+ test from triggering too often when the heap is small. */
+#define GGC_MIN_LAST_ALLOCATED (4 * 1024 * 1024)
+
\f
static page_entry *lookup_page_table_entry PROTO ((void *));
static void set_page_table_entry PROTO ((void *, page_entry *));
G.debug_file = stdout;
#endif
- /* Set the initial allocation to 4MB, so no collection will be
- performed until the heap is somewhat larger than 4 MB. */
- G.allocated_last_gc = 4 * 1024 * 1024;
+ G.allocated_last_gc = GGC_MIN_LAST_ALLOCATED;
empty_string = ggc_alloc_string ("", 0);
ggc_add_string_root (&empty_string, 1);
#endif
G.allocated_last_gc = G.allocated;
+ if (G.allocated_last_gc < GGC_MIN_LAST_ALLOCATED)
+ G.allocated_last_gc = GGC_MIN_LAST_ALLOCATED;
time = get_run_time () - time;
gc_time += time;