Immediate page purging plus background threads

rust-lang · Jan 5, 2025 · 295c30d · 295c30d
1 parent 62a660f
commit 295c30d
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs
@@ -1207,12 +1207,12 @@ pub fn rustc_cargo_env(
             rustc_llvm_env(builder, cargo, target)
         }
     }
-    // if builder.config.jemalloc {
-    //     cargo.env(
-    //         "JEMALLOC_SYS_WITH_MALLOC_CONF",
-    //         "dirty_decay_ms:-1,muzzy_decay_ms:-1,abort_conf:true",
-    //     );
-    // }
+    if builder.config.jemalloc {
+        cargo.env(
+            "JEMALLOC_SYS_WITH_MALLOC_CONF",
+            "dirty_decay_ms:0,muzzy_decay_ms:0,abort_conf:true",
+        );
+    }
 }
 
 /// Pass down configuration from the LLVM build into the build of