From 789b508d538e6faf635e49f268a4f1f9e9b65f05 Mon Sep 17 00:00:00 2001
From: Robert Morris <rtm@nephron.lcs.mit.edu>
Date: Wed, 11 Aug 2010 14:34:45 -0400
Subject: uptime() sys call for benchmarking increase PHYSTOP

---
 vm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'vm.c')

diff --git a/vm.c b/vm.c
index 8755b82..98ac108 100644
--- a/vm.c
+++ b/vm.c
@@ -29,7 +29,7 @@
 // (both in physical memory and in the kernel's virtual address
 // space).
 
-#define PHYSTOP  0x300000
+#define PHYSTOP  0x1000000
 #define USERTOP  0xA0000
 
 static uint kerntext;  // Linker starts kernel at 1MB
@@ -336,6 +336,8 @@ copyuvm(pde_t *pgdir, uint sz)
 
 // Gather information about physical memory layout.
 // Called once during boot.
+// Really should find out how much physical memory
+// there is rather than assuming PHYSTOP.
 void
 pminit(void)
 {
-- 
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