AT_SYMLINK_NOFOLLOW  503 third_party/tcmalloc/chromium/src/base/linux_syscall_support.h #define AT_SYMLINK_NOFOLLOW     0x100
AT_SYMLINK_NOFOLLOW  491 third_party/tcmalloc/vendor/src/base/linux_syscall_support.h #define AT_SYMLINK_NOFOLLOW     0x100