Re: 2.4.16 memory badness (reproducible)

From: Stephan von Krawczynski (
Date: Tue Dec 11 2001 - 15:04:12 EST

On Tue, 11 Dec 2001 19:07:41 +0000 (GMT)
Hugh Dickins <> wrote:

> I believe this error comes, not from a (genuine or mistaken) shortage
> of free memory,

Me, too.

> but from shortage or fragmentation of vmalloc's virtual
> address space. Does patch below (to 2.4.17-pre4-aa1 since I think that's
> what you tried last; easily adaptible to other trees) doubling vmalloc's
> address space (on your 1GB machine or larger) make any difference?
> Perhaps there's a vmalloc leak and this will only delay the error.

At least I think this direction to search the bug looks a lot more promising than a general mem shortage problem. After reviewing modify_ldt this looked like the only useable idea to Leighs problem.


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