On Thu, May 17, 2012 at 10:30:23AM +0100, Catalin Marinas wrote: > Another minor thing is that on newer ARM processors (Cortex-A15) we > need the TLB shootdown even on UP systems, so tlb_fast_mode should > always return 0. Something like below (untested): No Catalin, we need this for virtually all ARMv7 CPUs whether they're UP or SMP, not just for A15, because of the speculative prefetch which can re-load TLB entries from the page tables at _any_ time. -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>