diff --git a/drivers/android/binder/context.rs b/drivers/android/binder/context.rs
index 9cf437c025a2..ddddb66b3557 100644
--- a/drivers/android/binder/context.rs
+++ b/drivers/android/binder/context.rs
@@ -94,6 +94,17 @@ impl Context {
         }
         let mut manager = self.manager.lock();
         manager.all_procs.retain(|p| !Arc::ptr_eq(p, proc));
+
+        // Shrink the vector if it has significant unused capacity to avoid memory waste,
+        // but use a conservative strategy to prevent shrink-then-regrow oscillation.
+        // Only shrink when length drops below 1/4 of capacity, and shrink to twice the length.
+        let len = manager.all_procs.len();
+        let cap = manager.all_procs.capacity();
+        if len < cap / 4 {
+            // Shrink to twice the current length. Ignore allocation failures since this
+            // is just an optimization; the vector remains valid even if shrinking fails.
+            let _ = manager.all_procs.shrink_to(len * 2, GFP_KERNEL);
+        }
     }
 
     pub(crate) fn set_manager_node(&self, node_ref: NodeRef) -> Result {