From: Keith Randall <khr@golang.org>
Date: Wed, 25 Feb 2015 21:38:42 +0000 (-0800)
Subject: runtime: fix build, divide by constant 0 is a compile-time error
X-Git-Tag: go1.5beta1~1869
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=35a59f5c996991a3e549bea88f90f65971ed4ada;p=gostls13.git

runtime: fix build, divide by constant 0 is a compile-time error

Change-Id: Iee319c9f5375c172fb599da77234c10ccb0fd314
Reviewed-on: https://go-review.googlesource.com/6020
Reviewed-by: Keith Randall <khr@golang.org>
---

diff --git a/src/runtime/mem_linux.go b/src/runtime/mem_linux.go
index 74de11caea..a78a03ee5c 100644
--- a/src/runtime/mem_linux.go
+++ b/src/runtime/mem_linux.go
@@ -67,7 +67,8 @@ func sysAlloc(n uintptr, stat *uint64) unsafe.Pointer {
 }
 
 func sysUnused(v unsafe.Pointer, n uintptr) {
-	if hugePageSize != 0 && (uintptr(v)%hugePageSize != 0 || n%hugePageSize != 0) {
+	var s uintptr = hugePageSize // division by constant 0 is a compile-time error :(
+	if s != 0 && (uintptr(v)%s != 0 || n%s != 0) {
 		// See issue 8832
 		// Linux kernel bug: https://bugzilla.kernel.org/show_bug.cgi?id=93111
 		// Mark the region as NOHUGEPAGE so the kernel's khugepaged