diff --git a/core/efuse/rtw_efuse.c b/core/efuse/rtw_efuse.c
index b9a1770..f1b8f9c 100644
--- a/core/efuse/rtw_efuse.c
+++ b/core/efuse/rtw_efuse.c
@@ -2375,7 +2375,9 @@ int storeAdaptorInfoFile(char *path, u8 *efuse_data)
 int retriveAdaptorInfoFile(char *path, u8 *efuse_data)
 {
 	int ret = _SUCCESS;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	mm_segment_t oldfs;
+#endif
 	struct file *fp;
 
 	if (path && efuse_data) {
diff --git a/core/rtw_btcoex.c b/core/rtw_btcoex.c
index b835fb5..43e329d 100644
--- a/core/rtw_btcoex.c
+++ b/core/rtw_btcoex.c
@@ -1422,7 +1422,9 @@ u8 rtw_btcoex_sendmsgbysocket(_adapter *padapter, u8 *msg, u8 msg_size, bool for
 {
 	u8 error;
 	struct msghdr	udpmsg;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	mm_segment_t	oldfs;
+#endif
 	struct iovec	iov;
 	struct bt_coex_info *pcoex_info = &padapter->coex_info;
 
@@ -1452,15 +1454,19 @@ u8 rtw_btcoex_sendmsgbysocket(_adapter *padapter, u8 *msg, u8 msg_size, bool for
 	udpmsg.msg_control	= NULL;
 	udpmsg.msg_controllen = 0;
 	udpmsg.msg_flags	= MSG_DONTWAIT | MSG_NOSIGNAL;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	oldfs = get_fs();
 	set_fs(KERNEL_DS);
+#endif
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0))
 	error = sock_sendmsg(pcoex_info->udpsock, &udpmsg);
 #else
 	error = sock_sendmsg(pcoex_info->udpsock, &udpmsg, msg_size);
 #endif
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	set_fs(oldfs);
+#endif
 	if (error < 0) {
 		RTW_INFO("Error when sendimg msg, error:%d\n", error);
 		return _FAIL;
diff --git a/core/rtw_ieee80211.c b/core/rtw_ieee80211.c
index 8a76427..2c4970f 100644
--- a/core/rtw_ieee80211.c
+++ b/core/rtw_ieee80211.c
@@ -1303,7 +1303,9 @@ int rtw_get_mac_addr_intel(unsigned char *buf)
 	int ret = 0;
 	int i;
 	struct file *fp = NULL;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	mm_segment_t oldfs;
+#endif
 	unsigned char c_mac[MAC_ADDRESS_LEN];
 	char fname[] = "/config/wifi/mac.txt";
 	int jj, kk;
diff --git a/core/rtw_wlan_util.c b/core/rtw_wlan_util.c
index be671d0..292e9d2 100644
--- a/core/rtw_wlan_util.c
+++ b/core/rtw_wlan_util.c
@@ -4630,7 +4630,9 @@ int rtw_dev_nlo_info_set(struct pno_nlo_info *nlo_info, pno_ssid_t *ssid,
 
 	int i = 0;
 	struct file *fp;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	mm_segment_t fs;
+#endif
 	loff_t pos = 0;
 	u8 *source = NULL;
 	long len = 0;
@@ -4667,8 +4669,10 @@ int rtw_dev_nlo_info_set(struct pno_nlo_info *nlo_info, pno_ssid_t *ssid,
 		return 0;
 	}
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	fs = get_fs();
 	set_fs(KERNEL_DS);
+#endif
 
 	source = rtw_zmalloc(2048);
 
@@ -4678,7 +4682,9 @@ int rtw_dev_nlo_info_set(struct pno_nlo_info *nlo_info, pno_ssid_t *ssid,
 		rtw_mfree(source, 2048);
 	}
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	set_fs(fs);
+#endif
 	filp_close(fp, NULL);
 
 	RTW_INFO("-%s-\n", __func__);
diff --git a/os_dep/linux/os_intfs.c b/os_dep/linux/os_intfs.c
index a590b8d..c0f822a 100644
--- a/os_dep/linux/os_intfs.c
+++ b/os_dep/linux/os_intfs.c
@@ -3193,7 +3193,9 @@ static int route_dump(u32 *gw_addr , int *gw_index)
 	struct msghdr msg;
 	struct iovec iov;
 	struct sockaddr_nl nladdr;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	mm_segment_t oldfs;
+#endif
 	char *pg;
 	int size = 0;
 
@@ -3232,14 +3234,18 @@ static int route_dump(u32 *gw_addr , int *gw_index)
 	msg.msg_controllen = 0;
 	msg.msg_flags = MSG_DONTWAIT;
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	oldfs = get_fs();
 	set_fs(KERNEL_DS);
+#endif
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0))
 	err = sock_sendmsg(sock, &msg);
 #else
 	err = sock_sendmsg(sock, &msg, sizeof(req));
 #endif
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	set_fs(oldfs);
+#endif
 
 	if (err < 0)
 		goto out_sock;
@@ -3264,10 +3270,14 @@ restart:
 		iov_iter_init(&msg.msg_iter, READ, &iov, 1, PAGE_SIZE);
 #endif
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 		oldfs = get_fs();
 		set_fs(KERNEL_DS);
+#endif
 		err = sock_recvmsg(sock, &msg, PAGE_SIZE, MSG_DONTWAIT);
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 		set_fs(oldfs);
+#endif
 
 		if (err < 0)
 			goto out_sock_pg;
@@ -3338,14 +3348,18 @@ done:
 		msg.msg_controllen = 0;
 		msg.msg_flags = MSG_DONTWAIT;
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 		oldfs = get_fs();
 		set_fs(KERNEL_DS);
+#endif
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0))
 		err = sock_sendmsg(sock, &msg);
 #else
 		err = sock_sendmsg(sock, &msg, sizeof(req));
 #endif
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 		set_fs(oldfs);
+#endif
 
 		if (err > 0)
 			goto restart;
diff --git a/os_dep/osdep_service.c b/os_dep/osdep_service.c
index e63eaac..676f9c9 100644
--- a/os_dep/osdep_service.c
+++ b/os_dep/osdep_service.c
@@ -2077,15 +2077,19 @@ static int isFileReadable(const char *path, u32 *sz)
 {
 	struct file *fp;
 	int ret = 0;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	mm_segment_t oldfs;
+#endif
 	char buf;
 
 	fp = filp_open(path, O_RDONLY, 0);
 	if (IS_ERR(fp))
 		ret = PTR_ERR(fp);
 	else {
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 		oldfs = get_fs();
 		set_fs(KERNEL_DS);
+#endif
 
 		if (1 != readFile(fp, &buf, 1))
 			ret = PTR_ERR(fp);
@@ -2098,7 +2102,9 @@ static int isFileReadable(const char *path, u32 *sz)
 			#endif
 		}
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 		set_fs(oldfs);
+#endif
 		filp_close(fp, NULL);
 	}
 	return ret;
@@ -2114,7 +2120,9 @@ static int isFileReadable(const char *path, u32 *sz)
 static int retriveFromFile(const char *path, u8 *buf, u32 sz)
 {
 	int ret = -1;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	mm_segment_t oldfs;
+#endif
 	struct file *fp;
 
 	if (path && buf) {
@@ -2122,10 +2130,14 @@ static int retriveFromFile(const char *path, u8 *buf, u32 sz)
 		if (0 == ret) {
 			RTW_INFO("%s openFile path:%s fp=%p\n", __FUNCTION__, path , fp);
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 			oldfs = get_fs();
 			set_fs(KERNEL_DS);
+#endif
 			ret = readFile(fp, buf, sz);
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 			set_fs(oldfs);
+#endif
 			closeFile(fp);
 
 			RTW_INFO("%s readFile, ret:%d\n", __FUNCTION__, ret);
@@ -2149,7 +2161,9 @@ static int retriveFromFile(const char *path, u8 *buf, u32 sz)
 static int storeToFile(const char *path, u8 *buf, u32 sz)
 {
 	int ret = 0;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 	mm_segment_t oldfs;
+#endif
 	struct file *fp;
 
 	if (path && buf) {
@@ -2157,10 +2171,14 @@ static int storeToFile(const char *path, u8 *buf, u32 sz)
 		if (0 == ret) {
 			RTW_INFO("%s openFile path:%s fp=%p\n", __FUNCTION__, path , fp);
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 			oldfs = get_fs();
 			set_fs(KERNEL_DS);
+#endif
 			ret = writeFile(fp, buf, sz);
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
 			set_fs(oldfs);
+#endif
 			closeFile(fp);
 
 			RTW_INFO("%s writeFile, ret:%d\n", __FUNCTION__, ret);