Add extent_active_[gs]et().

Always initialize extents' runs_dirty and chunks_cache linkage.

src/arena.c

@@ -225,7 +225,6 @@ arena_chunk_cache_maybe_insert(arena_t *arena, extent_t *extent, bool cache)
 {
 
 	if (cache) {
-		extent_dirty_linkage_init(extent);
 		extent_dirty_insert(extent, &arena->runs_dirty,
 		    &arena->chunks_cache);
 		arena->ndirty += arena_chunk_dirty_npages(extent);
@@ -526,7 +525,7 @@ arena_chunk_register(tsdn_t *tsdn, arena_t *arena, arena_chunk_t *chunk,
 	 * runs is tracked individually, and upon chunk deallocation the entire
 	 * chunk is in a consistent commit state.
 	 */
-	extent_init(&chunk->extent, arena, chunk, chunksize, zero, true);
+	extent_init(&chunk->extent, arena, chunk, chunksize, true, zero, true);
 	extent_achunk_set(&chunk->extent, true);
 	return (chunk_register(tsdn, chunk, &chunk->extent));
 }
@@ -1723,7 +1722,8 @@ arena_purge_to_limit(tsdn_t *tsdn, arena_t *arena, size_t ndirty_limit)
 	    arena->lg_dirty_mult) < arena->ndirty || ndirty_limit == 0);
 
 	qr_new(&purge_runs_sentinel, rd_link);
-	extent_dirty_linkage_init(&purge_chunks_sentinel);
+	extent_init(&purge_chunks_sentinel, arena, NULL, 0, false, false,
+	    false);
 
 	npurge = arena_stash_dirty(tsdn, arena, &chunk_hooks, ndirty_limit,
 	    &purge_runs_sentinel, &purge_chunks_sentinel);

src/base.c

@@ -66,7 +66,7 @@ base_chunk_alloc(tsdn_t *tsdn, size_t minsize)
 			base_resident += PAGE_CEILING(nsize);
 		}
 	}
-	extent_init(extent, NULL, addr, csize, true, true);
+	extent_init(extent, NULL, addr, csize, true, true, true);
 	return (extent);
 }
 
@@ -90,7 +90,7 @@ base_alloc(tsdn_t *tsdn, size_t size)
 	csize = CACHELINE_CEILING(size);
 
 	usize = s2u(csize);
-	extent_init(&key, NULL, NULL, usize, false, false);
+	extent_init(&key, NULL, NULL, usize, false, false, false);
 	malloc_mutex_lock(tsdn, &base_mtx);
 	extent = extent_tree_szad_nsearch(&base_avail_szad, &key);
 	if (extent != NULL) {

src/chunk.c

@@ -239,7 +239,7 @@ chunk_first_best_fit(arena_t *arena, extent_tree_t *chunks_szad,
 
 	assert(size == CHUNK_CEILING(size));
 
-	extent_init(&key, arena, NULL, size, false, false);
+	extent_init(&key, arena, NULL, size, false, false, false);
 	return (extent_tree_szad_nsearch(chunks_szad, &key));
 }
 
@@ -270,7 +270,8 @@ chunk_recycle(tsdn_t *tsdn, arena_t *arena, chunk_hooks_t *chunk_hooks,
 	chunk_hooks_assure_initialized_locked(tsdn, arena, chunk_hooks);
 	if (new_addr != NULL) {
 		extent_t key;
-		extent_init(&key, arena, new_addr, alloc_size, false, false);
+		extent_init(&key, arena, new_addr, alloc_size, false, false,
+		    false);
 		extent = extent_tree_ad_search(chunks_ad, &key);
 	} else {
 		extent = chunk_first_best_fit(arena, chunks_szad, chunks_ad,
@@ -336,7 +337,7 @@ chunk_recycle(tsdn_t *tsdn, arena_t *arena, chunk_hooks_t *chunk_hooks,
 			}
 		}
 		extent_init(extent, arena, (void *)((uintptr_t)(ret) + size),
-		    trailsize, zeroed, committed);
+		    trailsize, false, zeroed, committed);
 		extent_tree_szad_insert(chunks_szad, extent);
 		extent_tree_ad_insert(chunks_ad, extent);
 		arena_chunk_cache_maybe_insert(arena, extent, cache);
@@ -534,7 +535,7 @@ chunk_record(tsdn_t *tsdn, arena_t *arena, chunk_hooks_t *chunk_hooks,
 	malloc_mutex_lock(tsdn, &arena->chunks_mtx);
 	chunk_hooks_assure_initialized_locked(tsdn, arena, chunk_hooks);
 	extent_init(&key, arena, (void *)((uintptr_t)chunk + size), 0, false,
-	    false);
+	    false, false);
 	extent = extent_tree_ad_nsearch(chunks_ad, &key);
 	/* Try to coalesce forward. */
 	if (extent != NULL && extent_addr_get(extent) == extent_addr_get(&key)
@@ -570,7 +571,7 @@ chunk_record(tsdn_t *tsdn, arena_t *arena, chunk_hooks_t *chunk_hooks,
 			}
 			goto label_return;
 		}
-		extent_init(extent, arena, chunk, size, !unzeroed,
+		extent_init(extent, arena, chunk, size, false, !unzeroed,
 		    committed);
 		extent_tree_ad_insert(chunks_ad, extent);
 		extent_tree_szad_insert(chunks_szad, extent);

src/huge.c

@@ -50,7 +50,7 @@ huge_palloc(tsdn_t *tsdn, arena_t *arena, size_t usize, size_t alignment,
 		return (NULL);
 	}
 
-	extent_init(extent, arena, ret, usize, is_zeroed, true);
+	extent_init(extent, arena, ret, usize, true, is_zeroed, true);
 
 	if (chunk_register(tsdn, ret, extent)) {
 		arena_chunk_dalloc_huge(tsdn, arena, ret, usize);