Messages in this thread | | | Date | Thu, 30 Oct 2008 02:53:35 +0100 | From | Nick Piggin <> | Subject | Re: [PATCH] regression: vmalloc easily fail. |
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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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