diff --git a/qtfs/include/symbol_wrapper.h b/qtfs/include/symbol_wrapper.h
index 7b9e0d74a46845256c2bdf64957e7773bee82b32..4ce500f80de32357ae3b76e45ab4d944131fb94c 100644
--- a/qtfs/include/symbol_wrapper.h
+++ b/qtfs/include/symbol_wrapper.h
@@ -28,10 +28,6 @@ struct qtfs_kallsyms {
 	struct task_struct *(*find_get_task_by_vpid)(pid_t nr);
 	long (*do_mount)(const char *, const char __user *,
 						const char *, unsigned long, void *);
-#ifdef __aarch64__
-	int (*set_memory_ro)(unsigned long, int);
-	int (*set_memory_rw)(unsigned long, int);
-#endif
 };
 
 extern struct qtfs_kallsyms qtfs_kern_syms;
@@ -75,15 +71,16 @@ static inline int make_ro(unsigned long address)
 #endif
 
 #ifdef __aarch64__
+extern void (*update_mapping_prot)(phys_addr_t phys, unsigned long virt, phys_addr_t size, pgprot_t prot);
 static inline int make_rw(unsigned long address)
 {
-	qtfs_kern_syms.set_memory_rw(address, 1);
+	update_mapping_prot(__pa_symbol(address & PAGE_MASK), (unsigned long)(address & PAGE_MASK), PAGE_SIZE, PAGE_KERNEL);
 	return 0;
 }
 
 static inline int make_ro(unsigned long address)
 {
-	qtfs_kern_syms.set_memory_ro(address, 1);
+	update_mapping_prot(__pa_symbol(address & PAGE_MASK), (unsigned long)(address & PAGE_MASK), PAGE_SIZE, PAGE_KERNEL_RO);
 	return 0;
 }
 
diff --git a/qtfs/qtfs_common/symbol_wrapper.c b/qtfs/qtfs_common/symbol_wrapper.c
index ea81893156ef642afa74addbc728ac2c36df0c3a..5ceaf5f099714384fc562f1c709e88fb56a934bd 100644
--- a/qtfs/qtfs_common/symbol_wrapper.c
+++ b/qtfs/qtfs_common/symbol_wrapper.c
@@ -54,6 +54,8 @@ struct pt_regs;
 	regs->r9 = (unsigned long)x6;
 #endif
 #ifdef __aarch64__
+void (*update_mapping_prot)(phys_addr_t phys, unsigned long virt, phys_addr_t size, pgprot_t prot);
+
 // symbols not finded in sys call table
 enum qtfs_sym_a64 {
 	A64_NR_UNLINK = 0,
@@ -128,10 +130,12 @@ int qtfs_kallsyms_hack_init(void)
 #endif
 
 #ifdef __aarch64__
-	KSYMS(set_memory_ro, int (*)(unsigned long, int));
-	KSYMS_NULL_RETURN(qtfs_kern_syms.set_memory_ro);
-	KSYMS(set_memory_rw, int (*)(unsigned long, int));
-	KSYMS_NULL_RETURN(qtfs_kern_syms.set_memory_rw);
+	update_mapping_prot = (void *)qtfs_kallsyms_lookup_name("update_mapping_prot");
+	if (update_mapping_prot == NULL) {
+		qtfs_err("failed to init memory protect handler");
+		return -1;
+	}
+
 #pragma GCC diagnostic ignored "-Wint-conversion"
 	symbols_a64[A64_NR_UNLINK] = (unsigned long)qtfs_kallsyms_lookup_name("__arm64_sys_unlink");
 	KSYMS_NULL_RETURN(symbols_a64[A64_NR_UNLINK]);
diff --git a/qtfs/qtfs_server/fsops.c b/qtfs/qtfs_server/fsops.c
index 1e21abe4cdb917851348d03152cd29e2d3ba90f6..f2f3749ef9783c8c08c2447d8163988a96e0e782 100644
--- a/qtfs/qtfs_server/fsops.c
+++ b/qtfs/qtfs_server/fsops.c
@@ -680,7 +680,7 @@ static int handle_readdir(struct qtserver_arg *arg)
 	rsp->d.ret = QTFS_OK;
 	rsp->d.vldcnt = buf.vldcnt;
 	rsp->d.over = (req->pos == rsp->d.pos) ? 1 : 0;
-	qtfs_info("handle readdir ret:%d, pos:%lld path:%s, valid count:%d, leftcount:%d validbyte:%u\n",
+	qtfs_info("handle readdir ret:%d, pos:%lld path:%s, valid count:%d, leftcount:%d validbyte:%lu\n",
 			ret, req->pos, req->path, buf.vldcnt, buf.count, req->count - buf.count);
 	filp_close(file, NULL);