On Mon, Jun 03, 2013 at 11:04:44AM +0100, Peter Zijlstra wrote: > On Mon, Jun 03, 2013 at 11:01:39AM +0100, Catalin Marinas wrote: > > On ARM there is a lot of ongoing work on single zImage for multiple > > SoCs and this implies SMP kernels. There is an SMP_ON_UP feature which > > does run-time code patching to optimise the UP case in a few places. > > > > Regarding tlb_fast_mode(), the ARM-specific implementation is always 0 > > on ARMv7 even if UP because of speculative TLB loads (the MMU could > > pretty much act as a separate processor). > > Oh right.. I should really refresh the mmu_gather unification patches so > all archs are using the generic code. That would be great! I'll help with testing/review (or if it needs anything else) from an arm/arm64 perspective. Thanks. -- Catalin -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>