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-rw-r--r--tvix/nix-compat/src/bin/drvfmt.rs5
1 files changed, 5 insertions, 0 deletions
diff --git a/tvix/nix-compat/src/bin/drvfmt.rs b/tvix/nix-compat/src/bin/drvfmt.rs
index ddc1f0389f26..fca22c2cb2ae 100644
--- a/tvix/nix-compat/src/bin/drvfmt.rs
+++ b/tvix/nix-compat/src/bin/drvfmt.rs
@@ -3,6 +3,11 @@ use std::{collections::BTreeMap, io::Read};
 use nix_compat::derivation::Derivation;
 use serde_json::json;
 
+use mimalloc::MiMalloc;
+
+#[global_allocator]
+static GLOBAL: MiMalloc = MiMalloc;
+
 /// construct a serde_json::Value from a Derivation.
 /// Some environment values can be non-valid UTF-8 strings.
 /// `serde_json` prints them out really unreadable.