Hi,
On Mon, Sep 25, 2000 at 09:17:54AM -0700, Linus Torvalds wrote:
>
> On Mon, 25 Sep 2000, Rik van Riel wrote:
> >
> > Hmmm, doesn't GFP_BUFFER simply imply that we cannot
> > allocate new buffer heads to do IO with??
>
> No.
>
> New buffer heads would be ok - recursion is fine in theory, as long as it
> is bounded, and we might bound it some other way (I don't think we
> _should_ do recursion here due to the stack limit, but at least it's not
> a fundamental problem).
Right, but we still need to be careful --- we _were_ getting stack
overflows occassionally before the GFP_BUFFER semantics were set up to
prevent that recursion.
--Stephen
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