ALT_STACKSIZE     235 third_party/tcmalloc/chromium/src/base/linuxthreads.cc #define ALT_STACKSIZE (MINSIGSTKSZ + 4096)
ALT_STACKSIZE     235 third_party/tcmalloc/vendor/src/base/linuxthreads.cc #define ALT_STACKSIZE (MINSIGSTKSZ + 4096)