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MAP_HUGETLB portability fix

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paboyle
2017-08-20 03:08:54 +01:00
parent ae56e556c6
commit b49bec0cec
2 changed files with 9 additions and 8 deletions
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2
lib/communicator/Communicator_base.cc
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@ -149,7 +149,9 @@ void CartesianCommunicator::ShmInitGeneric(void){
#if 1
int mmap_flag = MAP_SHARED | MAP_ANONYMOUS;
#ifdef MAP_HUGETLB
if ( Hugepages ) mmap_flag |= MAP_HUGETLB;
#endif
ShmCommBuf =(void *) mmap(NULL, MAX_MPI_SHM_BYTES, PROT_READ | PROT_WRITE, mmap_flag, -1, 0);
if (ShmCommBuf == (void *)MAP_FAILED) exit(EXIT_FAILURE);
std::cout << "ShmCommBuf "<<ShmCommBuf<<std::endl;