Michael, >> >>For the DOS issue, I'm not sure how much the limit get_user_pages() >> can pin is reasonable, should we compute the bindwidth to make it? >There's a ulimit for locked memory. Can we use this, decreasing >the value for rlimit array? We can do this when backend is >enabled and re-increment when backend is disabled. I have tried it with rlim[RLIMIT_MEMLOCK].rlim_cur, but I found the initial value for it is 0x10000, after right shift PAGE_SHIFT, it's only 16 pages we can lock then, it seems too small, since the guest virito-net driver may submit a lot requests one time. Thanks Xiaohui -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
