[lkml]   [2011]   [Jun]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH] mmu_notifier, kvm: Introduce dirty bit tracking in spte and mmu notifier to help KSM dirty bit tracking

    > If we don't flush the smp tlb don't we risk that we'll insert pages in
    > the unstable tree that are volatile just because the dirty bit didn't
    > get set again on the spte?

    Yes, this is the trade off we take, the unstable tree will be flushed
    anyway -
    so this is nothing that won`t be recovered very soon after it happen...

    and most of the chances the tlb will be flushed before ksm get there anyway
    (specially for heavily modified page, that we don`t want in the unstable

     \ /
      Last update: 2011-06-22 17:21    [W:0.018 / U:3.916 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site