Hi Thomas, On Thu, Nov 10, 2016 at 2:00 PM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > Do not even think about going there. That's going to be a major > mess. Lol! Okay. Thank you for reigning in my clearly reckless propensities... Sometimes playing in traffic is awfully tempting. > > As a short time workaround you can increase THREAD_SIZE_ORDER for now and > then fix it proper with switching to seperate irq stacks. Okay. I think in the end I'll kmalloc, accept the 16% slowdown [1], and focus efforts on having a separate IRQ stack. Matt emailed in this thread saying he was already looking into it, so I think by the time that slowdown makes a difference, we'll have the right pieces in place anyway. Thanks for the guidance here. Regards, Jason [1] https://git.zx2c4.com/WireGuard/commit/?id=cc3d7df096a88cdf96d016bdcb2f78fa03abb6f3 -- 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>