[lkml]   [2000]   [Sep]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: More on 2.2.18pre2aa2
    On Tue, 12 Sep 2000, David S. Miller wrote:
    > From: Rik van Riel <>
    > I've just uploaded a new snapshot of my new VM for
    > 2.4 to my home page, this version contains a
    > wakeup_kswapd() function (copied from wakeup_bdflush)
    > and should balance memory a bit better.
    > How can drop_behind() work properly?
    > You do not recompute the hash chain head for each decreasing
    > 'index' in the main while loop, and thus you search potentially
    > the wrong hash chain each time.
    > Thus, you need to change:
    > + page = __find_page_nolock(mapping, index, *hash);
    > to something more like:
    > + hash = page_hash(mapping, index);
    > + page = __find_page_nolock(mapping, index, *hash);

    Urghhh indeed. So /that's/ why drop_behind() didn't
    seem to do its work ;)

    Thanks for pointing out this obvious thinko. I hope
    more people will take a look at my VM patch and try
    to poke holes in it...

    (until now, only 3 people seem to have bothered with
    looking at the code in detail)


    "What you're running that piece of shit Gnome?!?!"
    -- Miguel de Icaza, UKUUG 2000

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 12:38    [W:0.021 / U:44.412 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site