len | parseCPUInfo() | HWTopoLinux.cpp

[MohsenKoohi]

The buffer size for reading topology in https://github.com/IntelligentSoftwareSystems/Galois/blob/master/libgalois/src/HWTopoLinux.cpp#L103 is small on some architectures. The flags line on /proc/cpuinfo can contain more than 1024 chars.