diff --git a/releasenotes/notes/profiling-fix-memalloc-collector-spin-regression-97b4b8093a89c54f.yaml b/releasenotes/notes/profiling-fix-memalloc-collector-spin-regression-97b4b8093a89c54f.yaml
new file mode 100644
index 00000000000..ba2b7d7a9f6
--- /dev/null
+++ b/releasenotes/notes/profiling-fix-memalloc-collector-spin-regression-97b4b8093a89c54f.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    profiling: This fixes a performance regression where the memory profiler's
+    collector thread would spin in a tight loop, consuming nearly a full CPU
+    core.