Fix extent_alloc_dss() regressions.

Page-align the gap, if any, and add/use extent_dalloc_gap(), which registers the gap extent before deallocation.
2016-06-05 15:27:20 -07:00
parent c4bb17f891
commit 4e910fc958
4 changed files with 33 additions and 22 deletions
@@ -732,6 +732,18 @@ extent_record(tsdn_t *tsdn, arena_t *arena, extent_hooks_t **r_extent_hooks,
 	malloc_mutex_unlock(tsdn, &arena->extents_mtx);
 }

+void
+extent_dalloc_gap(tsdn_t *tsdn, arena_t *arena, extent_t *extent)
+{
+	extent_hooks_t *extent_hooks = EXTENT_HOOKS_INITIALIZER;
+
+	if (extent_register(tsdn, extent)) {
+		extent_leak(tsdn, arena, &extent_hooks, false, extent);
+		return;
+	}
+	extent_dalloc_wrapper(tsdn, arena, &extent_hooks, extent);
+}
+
 void
 extent_dalloc_cache(tsdn_t *tsdn, arena_t *arena,
    extent_hooks_t **r_extent_hooks, extent_t *extent)