On Sun, Dec 16, 2007 at 06:42:57PM +0100, Eric Dumazet wrote: > Adrian Bunk a écrit : >... >> And even more funny, with gcc 4.2 and CONFIG_CC_OPTIMIZE_FOR_SIZE=y your >> patch doesn't seem to make any space difference - are you using an older >> compiler or even worse CONFIG_CC_OPTIMIZE_FOR_SIZE=n for being able to see >> any space difference? >> >> In both cases your code uglification would be even more pointless... >> > > I believe that CONFIG_SMP is uglification for you Adrian, but still I am > glad linux have it. > > If your CONFIG_SYSCTL=n is really that important for you, why dont you > define a new qualifier that can indeed mark some variables as : > > const if CONFIG_SYSCTL=n > read_mostly if CONFIG_SYCTL=y > > This way you can keep compiler optimizations for your CONFIG_SYCTL=n, while > many people like me can still continue to optimize their kernel. > > Seeing so many sysctl already read_mostly in kernel, I wonder why you NACK > my patch, while it's easy to share your concerns with other people and find > a solution.
You omitted an answer to my main important point... Let me ask it in a more simple way: Do you see any space difference at all with gcc 4.2 and CONFIG_CC_OPTIMIZE_FOR_SIZE=y ? cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/