> elements are cacheline aligned. And as such, this differentiates the local > only data and remotely accessed data cleanly.
>OK, but could we please have a concise description of the impact >of these changes on kernel memory footprint? Increase or decrease? >And by approximately how much? Depending on how linker places percpu data, the patches could increase or decrease percpu section size. Data from 2.6.21-rc7-mm2: On x86 SMP, the section size is increased from 0x7768 to 0x790c. 1.3% increase. On X86-64 SMP, the size is decreased from 0x72d0 to 0x6540. 11.8% decrease. On X86-64 VSMP, the size is increased from 0x72d0 to 0x8340. 14.3% increase. On IA64 SMP, the size is decreased from 0x8370 to 0x7fc0. 2.8% decrease. - 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/