Messages in this thread | | | From | Nick Piggin <> | Subject | Re: [patch 3/6] mmu_notifier: invalidate_page callbacks | Date | Mon, 18 Feb 2008 12:51:27 +1100 |
| |
On Saturday 16 February 2008 14:37, Andrew Morton wrote: > On Thu, 14 Feb 2008 22:49:02 -0800 Christoph Lameter <clameter@sgi.com> wrote: > > Two callbacks to remove individual pages as done in rmap code > > > > invalidate_page() > > > > Called from the inner loop of rmap walks to invalidate pages. > > > > age_page() > > > > Called for the determination of the page referenced status. > > > > If we do not care about page referenced status then an age_page callback > > may be be omitted. PageLock and pte lock are held when either of the > > functions is called. > > The age_page mystery shallows.
BTW. can this callback be called mmu_notifier_clear_flush_young? To match the core VM.
| |