On Sep 8, 2013, at 10:01 PM, Gleb Natapov <gleb@xxxxxxxxxx> wrote: > On Sun, Sep 08, 2013 at 09:55:04PM +0800, Xiao Guangrong wrote: >> >> On Sep 8, 2013, at 8:19 PM, Gleb Natapov <gleb@xxxxxxxxxx> wrote: >> >>> On Thu, Sep 05, 2013 at 06:29:04PM +0800, Xiao Guangrong wrote: >>>> If the desc is the last one and it is full, its sptes is not counted >>>> >>> Hmm, if desc is not full but it is not the last one all sptes after the >>> desc are not counted too. >> >> But the desc must be the last one if it's not full since we always add >> new entry or delete entry from the last desc. >> > Why do we alway delete entries from last desc? We delete them from the > desc we found them in. Current code does not try to move entries between > descs, only inside a desc. Oh, yes. Sorry, my memory is wrong… :( So, currently there has some gaps in desc and it wastes memory. Can not fix them with simple change and i think it is not worthy to fix them separately since after my new algorithm, these should all be fixed… so how about just drop this fix? -- 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
