diff --git a/linuxkm/linuxkm_wc_port.h b/linuxkm/linuxkm_wc_port.h
index 670294fba..2ce0691cc 100644
--- a/linuxkm/linuxkm_wc_port.h
+++ b/linuxkm/linuxkm_wc_port.h
@@ -127,6 +127,14 @@
         #define WOLFSSL_NO_FLOAT_FMT
     #endif
 
+    #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0)) || \
+        (defined(RHEL_MAJOR) && \
+         ((RHEL_MAJOR > 9) || ((RHEL_MAJOR == 9) && (RHEL_MINOR >= 5))))
+        #define WOLFSSL_DEBUG_PRINTF_FN _printk
+    #else
+        #define WOLFSSL_DEBUG_PRINTF_FN printk
+    #endif
+
 #ifndef WOLFSSL_LINUXKM_USE_MUTEXES
     struct wolfSSL_Mutex;
     extern int wc_lkm_LockMutex(struct wolfSSL_Mutex* m);
diff --git a/wolfssl/wolfcrypt/logging.h b/wolfssl/wolfcrypt/logging.h
index 2738d9256..54e6722d9 100644
--- a/wolfssl/wolfcrypt/logging.h
+++ b/wolfssl/wolfcrypt/logging.h
@@ -505,7 +505,7 @@ WOLFSSL_API void wolfSSL_SetLoggingPrefix(const char* prefix);
  * For custom debugging output, define your own WOLFSSL_DEBUG_PRINTF_FN
  */
 #ifdef WOLFSSL_DEBUG_PRINTF_FN
-    /* user-supplied definition */
+    /* user- or port-supplied definition */
 #elif defined(ARDUINO)
     /* ARDUINO only has print and sprintf, no printf. */
 #elif defined(__WATCOMC__)
@@ -548,8 +548,6 @@ WOLFSSL_API void wolfSSL_SetLoggingPrefix(const char* prefix);
     #define WOLFSSL_DEBUG_PRINTF_FIRST_ARGS ANDROID_LOG_VERBOSE, "[wolfSSL]",
 #elif defined(WOLFSSL_XILINX)
     #define WOLFSSL_DEBUG_PRINTF_FN xil_printf
-#elif defined(WOLFSSL_LINUXKM)
-    #define WOLFSSL_DEBUG_PRINTF_FN printk
 #elif defined(WOLFSSL_RENESAS_RA6M4)
     #define WOLFSSL_DEBUG_PRINTF_FN myprintf
 #elif defined(NO_STDIO_FILESYSTEM)