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Merge branch 'hotfix/dirac-ITT-fix'

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This commit is contained in:
paboyle 2017-09-05 15:08:16 +01:00
commit c709883f3f
2 changed files with 10 additions and 3 deletions
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2
lib/communicator/Communicator_base.cc
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@ -157,7 +157,9 @@ void CartesianCommunicator::ShmInitGeneric(void){
perror("mmap failed ");
exit(EXIT_FAILURE);
}
#ifdef MADV_HUGEPAGE
if (!Hugepages ) madvise(ShmCommBuf,MAX_MPI_SHM_BYTES,MADV_HUGEPAGE);
#endif
#else
ShmBufStorageVector.resize(MAX_MPI_SHM_BYTES);
ShmCommBuf=(void *)&ShmBufStorageVector[0];

11
lib/communicator/Communicator_mpi3.cc
View File

@ -215,8 +215,10 @@ void CartesianCommunicator::Init(int *argc, char ***argv) {
perror("open hugetlbfs");
exit(0);
}
int mmap_flag = MAP_SHARED |MAP_POPULATE;
int mmap_flag = MAP_SHARED ;
#ifdef MAP_POPULATE
mmap_flag|=MAP_POPULATE;
#endif
#ifdef MAP_HUGETLB
if ( Hugepages ) mmap_flag |= MAP_HUGETLB;
#endif
@ -249,7 +251,10 @@ void CartesianCommunicator::Init(int *argc, char ***argv) {
if ( fd < 0 ) { perror("failed shm_open"); assert(0); }
ftruncate(fd, size);
int mmap_flag = MAP_SHARED|MAP_POPULATE;
int mmap_flag = MAP_SHARED;
#ifdef MAP_POPULATE
mmap_flag |= MAP_POPULATE;
#endif
#ifdef MAP_HUGETLB
if (Hugepages) mmap_flag |= MAP_HUGETLB;
#endif