On Thu, 25 Nov 2010, Jan Engelhardt wrote: > On Thursday 2010-11-25 14:15, Jozsef Kadlecsik wrote: > > >jhash is widely used in the kernel and because the functions > >are inlined, the cost in size is significant. Also, the new jhash > >functions are slightly larger than the previous ones so better un-inline. > >As a preparation step, the calls to the internal macros are replaced > >with the plain jhash function calls. > > Do you have a non-normative allyesconfig/allmodconfig build whose > size(1) you can run on, to show approximately just how much it differs? In the cover mail I referred the link to the message from Ilpo Jarvinen: "I once looked into inlining cost and jhash functions were among the most wasteful (kernel-wide). Multiple jhash bodies were 100+ bytes, and the overall cost was 10k+." Best regards, Jozsef - E-mail : kadlec@xxxxxxxxxxxxxxxxx, kadlec@xxxxxxxxxxxx PGP key : http://www.kfki.hu/~kadlec/pgp_public_key.txt Address : KFKI Research Institute for Particle and Nuclear Physics H-1525 Budapest 114, POB. 49, Hungary -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
