From 11e0f4445eb77ce8dee792927234337dd2450999 Mon Sep 17 00:00:00 2001
From: Wenkai Du <43822138+wenkaidu@users.noreply.github.com>
Date: Fri, 9 Jan 2026 09:22:00 -0800
Subject: [PATCH] Fix broken build due to ncclCudaCalloc change (#2135)

---
 src/init.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/init.cc b/src/init.cc
index 9278d8d835..a139da61eb 100644
--- a/src/init.cc
+++ b/src/init.cc
@@ -682,7 +682,7 @@ static ncclResult_t commAlloc(struct ncclComm* comm, struct ncclComm* parent, in
 #ifdef ENABLE_COLLTRACE
   NCCLCHECK(ncclCudaHostCalloc(&comm->collTraceTail, MAXCHANNELS));
 #if defined(HIP_UNCACHED_MEMORY)
-  NCCLCHECK(ncclCudaCalloc(&comm->collTrace, COLLTRACE_NUM_ITEMS*MAXCHANNELS, nullptr, hipDeviceMallocUncached));
+  NCCLCHECK(ncclCudaCalloc(&comm->collTrace, COLLTRACE_NUM_ITEMS*MAXCHANNELS, hipDeviceMallocUncached));
 #else
   NCCLCHECK(ncclCudaCalloc(&comm->collTrace, COLLTRACE_NUM_ITEMS*MAXCHANNELS));
 #endif