On Thu, Aug 07, 2014 at 11:39:57AM +0200, Pavel Machek wrote: > > > Actually, if you are doing such a check... it makes sense to check for > > > _all_ the regions, nosave or not. If e820 map changed at all, it is > > > not safe to resume. > > > Pavel > > > > Currently nosave region only called register by e820 code, so hibernate's > > nosave region included e820 > > reserved, ACPI data and ACPI NVS region. > > > > I thought hashing the start/end pfn of above regions is enough. > > If ammount of memory changed, for example, it is unsafe to > resume. So if you are doing the check, anyway, please hash > whole e820 table. > Pavel
There already have num_physpages in header for check the total physical page number. Regards Joey Lee -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
