>>>>>> Yes, that's right direction, I think. Currently, shmem_set_policy() >>>>>> can't handle >>>>>> nonlinear mapping. >>>>> >>>>> I've been mulling for some time to just remove non linear mappings. >>>>> AFAIK they were only useful on 32bit and are obsolete and could be >>>>> emulated with VMAs instead. >>>> >>>> >>>> I agree. It is only userful on 32bit and current enterprise users don't >>>> use >>>> 32bit anymore. So, I don't think emulated by vmas cause user visible >>>> issue. >>> >>> >>> I wish this was true, there are a lot of systems out there still running >>> 32 >>> bit linux, even on 64 bit capible hardware. This is especially true in >>> enterprises where they have either homegrown or proprietary software that >>> isn't 64 bit clean. >> >> 32 bit binaries (and entire distros) run fine under 64 bit kernels. > > unfortunantly, not quite 100% of the time. It's very good, but the automount > bug a month or so ago is an example of how you can run into rare problems. > Many "enterprise" systems are not willing to risk it. Then we can remove a feature safely. Risk not taker continue to uses old distro kernel. And some years after, distros discontinue to support 32bit. And then, problem will vanish automatically. -- 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>