3 files changed, 5 insertions, 3 deletions
diff --git a/components/script/Cargo.toml b/components/script/Cargo.toml
index 8c9e9613ede..191a325f60a 100644
--- a/components/script/Cargo.toml
+++ b/components/script/Cargo.toml
@@ -13,7 +13,7 @@ path = "lib.rs"
 
 [features]
 debugmozjs = ['js/debugmozjs']
-unstable = []
+unstable = ["servo_allocator/unstable"]
 
 [build-dependencies]
 cmake = "0.1"
@@ -77,6 +77,7 @@ script_plugins = {path = "../script_plugins"}
 script_traits = {path = "../script_traits"}
 selectors = { path = "../selectors" }
 serde = "1.0"
+servo_allocator = {path = "../allocator"}
 servo_arc = {path = "../servo_arc"}
 servo_atoms = {path = "../atoms"}
 servo_config = {path = "../config"}
diff --git a/components/script/lib.rs b/components/script/lib.rs
index edf954d4c96..df9679bcaf2 100644
--- a/components/script/lib.rs
+++ b/components/script/lib.rs
@@ -78,6 +78,7 @@ extern crate script_layout_interface;
 extern crate script_traits;
 extern crate selectors;
 extern crate serde;
+extern crate servo_allocator;
 extern crate servo_arc;
 #[macro_use] extern crate servo_atoms;
 extern crate servo_config;
diff --git a/components/script/script_thread.rs b/components/script/script_thread.rs
index e5a9a0401aa..991ec777315 100644
--- a/components/script/script_thread.rs
+++ b/components/script/script_thread.rs
@@ -73,7 +73,7 @@ use js::jsapi::{JSAutoCompartment, JSContext, JS_SetWrapObjectCallbacks};
 use js::jsapi::{JSTracer, SetWindowProxyClass};
 use js::jsval::UndefinedValue;
 use js::rust::Runtime;
-use malloc_size_of::{malloc_size_of, MallocSizeOfOps};
+use malloc_size_of::MallocSizeOfOps;
 use mem::malloc_size_of_including_self;
 use metrics::PaintTimeMetrics;
 use microtask::{MicrotaskQueue, Microtask};
@@ -1506,7 +1506,7 @@ impl ScriptThread {
         let mut reports = vec![];
         // Servo uses vanilla jemalloc, which doesn't have a
         // malloc_enclosing_size_of function.
-        let mut ops = MallocSizeOfOps::new(malloc_size_of, None, None);
+        let mut ops = MallocSizeOfOps::new(::servo_allocator::usable_size, None, None);
 
         for (_, document) in self.documents.borrow().iter() {
             let current_url = document.url();