sys_mlock and sys_munlock are needed to build the microcode driver as a module.

Index: tmp-mlock/mm/mlock.c
===================================================================

diff --git a/mm/mlock.c b/mm/mlock.c
index 73ee3fa330856586b3b3bbf7a201d7ae5afd2c78..3d9987bffc160ed1e1695f22a8f3a6a9cae533db 100644 (file)
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -9,6 +9,7 @@
 #include <linux/mman.h>
 #include <linux/mm.h>
 #include <linux/mempolicy.h>
+#include <linux/module.h>
 #include <linux/syscalls.h>
 #include <linux/sched.h>
 #include <linux/module.h>
@@ -155,6 +156,7 @@ SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len)
        up_write(&current->mm->mmap_sem);
        return error;
 }
+EXPORT_SYMBOL_GPL(sys_mlock);
 
 SYSCALL_DEFINE2(munlock, unsigned long, start, size_t, len)
 {
@@ -167,6 +169,7 @@ SYSCALL_DEFINE2(munlock, unsigned long, start, size_t, len)
        up_write(&current->mm->mmap_sem);
        return ret;
 }
+EXPORT_SYMBOL_GPL(sys_munlock);
 
 static int do_mlockall(int flags)
 {