On Thu, Feb 16, 2012 at 6:10 AM, Li Yang <le...@freescale.com> wrote: > > The reason why we need to keep PHYS_64BIT option configurable is > that enabling it cause negative performance impact on various > aspects like TLB miss and physical address manipulating. We should > not enable it unless really needed, e.g. use large memory of 4GB > or bigger.
I think we should make 36-bit the only option for the upstream defconfigs, and if we want a 32-bit "optimized" kernel for the SDK, then we provide that on the SDK only. -- Timur Tabi Linux kernel developer at Freescale _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev