diff --git a/0001-LU-16042-tests-can-not-get-cache-size-on-Arm64.patch b/0001-LU-16042-tests-can-not-get-cache-size-on-Arm64.patch
new file mode 100644
index 0000000000000000000000000000000000000000..8f3ac0c3b863298b026237bdbbb9f16695bdec9d
--- /dev/null
+++ b/0001-LU-16042-tests-can-not-get-cache-size-on-Arm64.patch
@@ -0,0 +1,43 @@
+From 9568e1e80ad995a8190ebb2a2d1da7b4f0f198d8 Mon Sep 17 00:00:00 2001
+From: Kevin Zhao <kevin.zhao@linaro.org>
+Date: Mon, 25 Jul 2022 15:53:44 +0800
+Subject: [PATCH] LU-16042 tests: can not get cache size on Arm64
+
+This fix the test fail on Arm64, the cache size can not be
+display on /proc/cpuinfo. And even in the VM and somee
+older Arm64 CPU, we can not get the cachesize. So it's
+better to fallback to a pre-set value here if we don't get
+the cache size.
+
+Signed-off-by: Kevin Zhao <kevin.zhao@linaro.org>
+Change-Id: I17ce1d8accc69d1489db2071a2741b3927fff302
+Reviewed-on: https://review.whamcloud.com/48030
+Tested-by: jenkins <devops@whamcloud.com>
+Tested-by: Maloo <maloo@whamcloud.com>
+Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
+Reviewed-by: James Simmons <jsimmons@infradead.org>
+Reviewed-by: Oleg Drokin <green@whamcloud.com>
+---
+ lustre/tests/sanity.sh | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
+index fec778e9fe..d16a7ae5dd 100755
+--- a/lustre/tests/sanity.sh
++++ b/lustre/tests/sanity.sh
+@@ -15600,6 +15600,12 @@ test_155_big_load() {
+ 	free_min_max
+ 	local cache_size=$(do_facet ost$((MAXI+1)) \
+ 		"awk '/cache/ {sum+=\\\$4} END {print sum}' /proc/cpuinfo")
++
++	# LU-16042: can not get the cache size on Arm64 VM here, fallback to a
++	# pre-set value
++	if [ -z "$cache_size" ]; then
++		cache_size=256
++	fi
+ 	local large_file_size=$((cache_size * 2))
+ 
+ 	echo "OSS cache size: $cache_size KB"
+-- 
+2.33.0
+
diff --git a/lustre.spec b/lustre.spec
index baed0cf3160bf99746bcad9db19b8f22e51c4020..dc24d6103f919d1b1f3a6b58d00a7b7ee17f3f28 100644
--- a/lustre.spec
+++ b/lustre.spec
@@ -179,7 +179,7 @@
 Summary: Lustre File System
 Name: %{lustre_name}
 Version: 2.15.2
-Release: 3
+Release: 4
 License: GPL-2.0-only AND LGPL-2.1-or-later
 Group: System Environment/Kernel
 Source: https://github.com/lustre/lustre-release/archive/refs/tags/%{version}.tar.gz
@@ -198,6 +198,7 @@ BuildRoot: %{_tmppath}/lustre-%{version}-root
 Patch1: 0005-lustre.spec.in-Add-gcc-option-Wno-stringop-overflow.patch
 Patch2: 0001-LU-16117-build-Avoid-excessive-modpost-warnings.patch
 Patch3: 0001-LU-16662-autoconf-fix-configure-test-compile-for-CON.patch
+Patch4: 0001-LU-16042-tests-can-not-get-cache-size-on-Arm64.patch
 
 %if %{with lustre_modules}
 Requires: %{requires_kmod_name} = %{requires_kmod_version}
@@ -873,6 +874,9 @@ rm -rf $RPM_BUILD_ROOT
 rm -rf %{_tmppath}/kmp
 
 %changelog
+* Fri Jun 02 2023 Xinliang Liu <xinliang.liu@linaro.org> - 2.15.2-4
+- Fix sanity test 155e,155f,155g,155h
+
 * Thu Jun 01 2023 Xinliang Liu <xinliang.liu@linaro.org> - 2.15.2-3
 - Fix kmod-lustre-client-tests install warnings