From cf5cf5cacdf01b0a007b7a430c0c9638fdf1f204 Mon Sep 17 00:00:00 2001
From: Mike Auty <mike.auty@gmail.com>
Date: Sat, 11 May 2019 20:58:06 +0100
Subject: [PATCH] Add in caching just at the page read point of intel spaces.

---
 volatility/framework/layers/intel.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/volatility/framework/layers/intel.py b/volatility/framework/layers/intel.py
index f28bc4ad9..844c30747 100644
--- a/volatility/framework/layers/intel.py
+++ b/volatility/framework/layers/intel.py
@@ -19,6 +19,7 @@
 #
 
 import collections
+import functools
 import logging
 import math
 import struct
@@ -175,6 +176,7 @@ class Intel(interfaces.layers.TranslationLayerInterface):
 
         return entry, position
 
+    @functools.lru_cache(1025)
     def _get_valid_table(self, base_address: int) -> Optional[bytes]:
         """Extracts the table, validates it and returns it if it's valid"""
         table = self._context.memory.read(self._base_layer, base_address, self.page_size)