diff --git a/fixbug-increase-maximum-number-of-cpus-rdma.patch b/fixbug-increase-maximum-number-of-cpus-rdma.patch
new file mode 100644
index 0000000000000000000000000000000000000000..83d1139c8206f3e164d7146e7ebe92845691fef8
--- /dev/null
+++ b/fixbug-increase-maximum-number-of-cpus-rdma.patch
@@ -0,0 +1,11 @@
+--- ibsysstat.c.orig	2021-09-23 21:56:05.504194352 +0800
++++ ibsysstat.c	2021-09-23 21:56:14.424341692 +0800
+@@ -41,7 +41,7 @@
+ 
+ #include "ibdiag_common.h"
+ 
+-#define MAX_CPUS 8
++#define MAX_CPUS 256
+ 
+ static struct ibmad_port *srcport;
+ 
diff --git a/rdma-core.spec b/rdma-core.spec
index f3eb78310f440769086532569ce96e0d206197af..68742bb7feea34d6c43fa29a2913f6a863773753 100644
--- a/rdma-core.spec
+++ b/rdma-core.spec
@@ -1,6 +1,6 @@
 Name:           rdma-core
 Version:        35.0
-Release:        1
+Release:        2
 Summary:        RDMA core userspace libraries and daemons
 License:        GPLv2 or BSD
 Url:            https://github.com/linux-rdma/rdma-core
@@ -48,6 +48,8 @@ Obsoletes:      openib-srptools <= 0.0.6
 
 Conflicts:      infiniband-diags <= 1.6.7
 
+Patch9002:  fixbug-increase-maximum-number-of-cpus-rdma.patch
+
 %{?systemd_requires}
 
 %define CMAKE_FLAGS -GNinja
@@ -247,6 +249,12 @@ rm -f %{buildroot}/%{_sbindir}/srp_daemon.sh
 %{_mandir}/*
 
 %changelog
+* Thu Sep 23 2021 zhongxuan <zhongxuan2@huawei.com> - 35.0-2
+- Type: bugfix
+- ID: NA
+- SUG: NA
+- DESC: increase maximum number of cpus
+
 * Fri Jul 2 2021 liyangyang <liyangyang20@huawei.com> - 35.0-1
 - Type: bugfix
 - ID: NA