From a0389f707fd8f106c0c0527603e1f55ed21bfa4f Mon Sep 17 00:00:00 2001
From: Frans Kaashoek <kaashoek@mit.edu>
Date: Tue, 2 Oct 2018 08:43:25 -0400
Subject: [PATCH] Remove now unused PDX

---
 mmu.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mmu.h b/mmu.h
index fdc9924..6cdd2f8 100644
--- a/mmu.h
+++ b/mmu.h
@@ -98,7 +98,6 @@ struct segdesc {
 
 #define PXMASK          0x1FF
 #define PXSHIFT(n)	(PGSHIFT+(9*(n)))
-#define PDX(va)         (((uint64)(va) >> PDXSHIFT) & PXMASK)
 #define PX(n, va)	((((uint64) (va)) >> PXSHIFT(n)) & PXMASK)
 #define L_PML4           3