On 05/23/2012 12:05 AM, Christian Borntraeger wrote: > Folks, > > today we discussed the situation of a qemu crash (with coredump) and big guests. > Quite often the guest pages are not needed but make the core file pretty big. > > The most appealing proposal that we had was to adopt the core file code in the > kernel to have an option for discarding guest pages (e.g. /proc/sys/core_guest). > do_corefile would have a callback into the kvm module that could use its memory > slot infrastructure to decide if this page should be saved or not. > > Would you consider such a change be ok? Any better idea? There's MADV_DONTDUMP which can be used to control this on a per-guest basis. -- error compiling committee.c: too many arguments to function -- 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
