Hi, Le Thu, 17 Aug 2006 11:38:43 +0800, "liang yuanen" <linux.kernel.liang@xxxxxxxxx> a écrit : > i am reading kernel source code , version is 2.4.20. > what is mean about __builtin_constant_p()? Refer to the GCC documentation: http://gcc.gnu.org/onlinedocs/gcc-4.1.1/gcc/Other-Builtins.html#index-g_t_005f_005fbuiltin_005fconstant_005fp-2392 Sincerly, Thomas -- Thomas Petazzoni - thomas.petazzoni@xxxxxxxx http://{thomas,sos,kos}.enix.org - http://www.toulibre.org http://www.{livret,agenda}dulibre.org -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
