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Add rationale for the MAP_ANONYMOUS vs. MAP_ANON flags.

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llvm-svn: 7368
This commit is contained in:
Misha Brukman 2003-07-28 19:26:19 +00:00
parent 45b1af0386
commit c77e286633
1 changed files with 1 additions and 0 deletions
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lib/ExecutionEngine/JIT/Emitter.cpp
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@ -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