From: Misha Brukman <brukman+llvm@gmail.com>
Date: Mon, 28 Jul 2003 19:26:19 +0000 (+0000)
Subject: Add rationale for the MAP_ANONYMOUS vs. MAP_ANON flags.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=fd31a78124a0a747b88b49d41ab5e7703c6f9caa;p=oota-llvm.git

Add rationale for the MAP_ANONYMOUS vs. MAP_ANON flags.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7368 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/ExecutionEngine/JIT/JITEmitter.cpp b/lib/ExecutionEngine/JIT/JITEmitter.cpp
index e6dc706d55f..9e62f13ce73 100644
--- a/lib/ExecutionEngine/JIT/JITEmitter.cpp
+++ b/lib/ExecutionEngine/JIT/JITEmitter.cpp
@@ -73,6 +73,7 @@ static void *getMemory(unsigned NumPages) {
   static const long pageSize = sysconf(_SC_PAGESIZE);
 
 #if defined(i386) || defined(__i386__) || defined(__x86__)
+  /* Linux and *BSD tend to have these flags named differently. */
 #if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
 # define MAP_ANONYMOUS MAP_ANON
 #endif