diff --git a/fs/exec.c b/fs/exec.c
index 4983f7d..e6d7c22 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1636,8 +1636,18 @@ static int do_execve_common(const char *filename,
 
 	/* execve succeeded */
 #ifdef CONFIG_GRKERNSEC_PROC_MEMMAP
+#if defined(CONFIG_X86_32) && !defined(CONFIG_M386) && !defined(CONFIG_M486) && !defined(CONFIG_M586) && (NR_CPUS <= 256)
+	{
+		int cpu = get_cpu();
+		u64 exec_id;
+		rdtscll(exec_id);
+		current->exec_id = ((u64)cpu << 56) | exec_id;
+		put_cpu();
+	}
+#else
 	current->exec_id = atomic64_inc_return_unchecked(&global_exec_counter);
 #endif
+#endif
 
 	current->fs->in_exec = 0;
 	current->in_execve = 0;