On Mon, Mar 9, 2015 at 4:29 AM, Dave Chinner <david@xxxxxxxxxxxxx> wrote: > >> Also, is there some sane way for me to actually see this behavior on a >> regular machine with just a single socket? Dave is apparently running >> in some fake-numa setup, I'm wondering if this is easy enough to >> reproduce that I could see it myself. > > Should be - I don't actually use 500TB of storage to generate this - > 50GB on an SSD is all you need from the storage side. I just use a > sparse backing file to make it look like a 500TB device. :P What's your virtual environment setup? Kernel config, and virtualization environment to actually get that odd fake NUMA thing happening? Linus -- 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>