Re: [PATCH] regression: vmalloc easily fail.

Nick Piggin
2008-10-29T10:43:46Z

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...