MallocHook_AddPreMmapHook 351 third_party/tcmalloc/chromium/src/malloc_hook.cc int MallocHook_AddPreMmapHook(MallocHook_PreMmapHook hook) { MallocHook_AddPreMmapHook 351 third_party/tcmalloc/vendor/src/malloc_hook.cc int MallocHook_AddPreMmapHook(MallocHook_PreMmapHook hook) {