diff --git a/backport-fix-formula-error-in-comment.patch b/backport-fix-formula-error-in-comment.patch
new file mode 100644
index 0000000000000000000000000000000000000000..83081e2bc9c38cce5b7926556b8765ae4153a97b
--- /dev/null
+++ b/backport-fix-formula-error-in-comment.patch
@@ -0,0 +1,26 @@
+From 5feccf2f08b8954b3076366a3782b510455b3013 Mon Sep 17 00:00:00 2001
+From: ZENOTME <st810918843@gmail.com>
+Date: Mon, 11 Mar 2024 21:50:18 +0800
+Subject: [PATCH] fix formula error in comment
+Reference:https://github.com/xdp-project/xdp-tools/pull/404/
+
+---
+ headers/xdp/xsk.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/headers/xdp/xsk.h b/headers/xdp/xsk.h
+index c604f9c..0b4fdca 100644
+--- a/headers/xdp/xsk.h
++++ b/headers/xdp/xsk.h
+@@ -101,7 +101,7 @@ XDP_ALWAYS_INLINE __u32 xsk_prod_nb_free(struct xsk_ring_prod *r, __u32 nb)
+ 	 * that this addition can be avoided in the more frequently
+ 	 * executed code that computs free_entries in the beginning of
+ 	 * this function. Without this optimization it whould have been
+-	 * free_entries = r->cached_prod - r->cached_cons + r->size.
++	 * free_entries = r->cached_cons - r->cached_prod + r->size
+ 	 */
+ 	r->cached_cons = __atomic_load_n(r->consumer, __ATOMIC_ACQUIRE);
+ 	r->cached_cons += r->size;
+-- 
+2.27.0
+
diff --git a/xdp-tools.spec b/xdp-tools.spec
index 10aa9641c53e4e2143c40415626b39de0e8aa79c..57d5f87163b474605b005978a09ebce188e33060 100644
--- a/xdp-tools.spec
+++ b/xdp-tools.spec
@@ -7,7 +7,7 @@
 
 Name:             xdp-tools
 Version:          1.4.1
-Release:          2
+Release:          3
 Summary:          Utilities and example programs for use with XDP
 %global _soversion 1.4.0
 
@@ -15,6 +15,7 @@ License:          GPLv2
 URL:              https://github.com/xdp-project/%{name}
 Source0:          https://github.com/xdp-project/%{name}/archive/v%{version}.tar.gz
 Patch01:          backport-xdp-bench-Add-correct-logging-message-for-XDP_PASS.patch
+Patch02:          backport-fix-formula-error-in-comment.patch
 
 BuildRequires:    libbpf-devel
 BuildRequires:    elfutils-libelf-devel
@@ -118,6 +119,9 @@ make install V=1
 %{_libdir}/pkgconfig/libxdp.pc
 
 %changelog
+* Thu May 30 2024 baiguo <baiguo@kylinos.cn> 1.4.1-3
+- fix formula error in comment
+
 * Sat May 11 2024 baiguo <baiguo@kylinos.cn> 1.4.1-2
 - xdp-bench: Add correct logging message for XDP_PASS