--- zzzz-none-000/linux-3.10.107/arch/xtensa/kernel/syscall.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/xtensa/kernel/syscall.c	2021-02-04 17:41:59.000000000 +0000
@@ -57,6 +57,7 @@
 	return sys_fadvise64_64(fd, offset, len, advice);
 }
 
+#ifdef CONFIG_MMU
 unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
 		unsigned long len, unsigned long pgoff, unsigned long flags)
 {
@@ -86,10 +87,11 @@
 		/* At this point:  (!vmm || addr < vmm->vm_end). */
 		if (TASK_SIZE - len < addr)
 			return -ENOMEM;
-		if (!vmm || addr + len <= vm_start_gap(vmm))
+		if (!vmm || addr + len <= vmm->vm_start)
 			return addr;
 		addr = vmm->vm_end;
 		if (flags & MAP_SHARED)
 			addr = COLOUR_ALIGN(addr, pgoff);
 	}
 }
+#endif