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    SubjectRe: [PATCH] regression: vmalloc easily fail.
    On Wed, Oct 29, 2008 at 08:07:37PM -0200, Glauber Costa wrote:
    > On Wed, Oct 29, 2008 at 11:43:33AM +0100, Nick Piggin wrote:
    > > On Wed, Oct 29, 2008 at 12:29:40PM +0200, Avi Kivity wrote:
    > > > Nick Piggin wrote:
    > > > >Hmm, spanning <30MB of memory... how much vmalloc space do you have?
    > > > >
    > > > >
    > > >
    > > > From the original report:
    > > >
    > > > >VmallocTotal: 122880 kB
    > > > >VmallocUsed: 15184 kB
    > > > >VmallocChunk: 83764 kB
    > > >
    > > > So it seems there's quite a bit of free space.
    > > >
    > > > Chunk is the largest free contiguous region, right? If so, it seems the
    > >
    > > Yes.
    > >
    > >
    > > > problem is unrelated to guard pages, instead the search isn't finding a
    > > > 1-page area (with two guard pages) for some reason, even though lots of
    > > > free space is available.
    > >
    > > Hmm. The free area search could be buggy...
    > Do you want me to grab any specific info of it? Or should I just hack myself
    > randomly into it? I'll probably have some time for that tomorrow.

    I can take a look at it, in the next day or two. If you hack at it, and
    find the problem I wouldn't be upset ;)


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