Re: innd mmap bug in 2.4.0-test12

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On Wed, 27 Dec 2000, Linus Torvalds wrote:
> On Wed, 27 Dec 2000, Rik van Riel wrote:
> >
> > The (trivial) patch below should fix this problem.
>
> It must be wrong.
>
> If we have a dirty page on the LRU lists, that page _must_ have
> a mapping.

Hmm, last I looked buffercache pages didn't have
page->mapping set ...

And before anyone gets afraid that pure buffercache
pages get skipped ... they're caught by page_launder()
just fine, in the `if (page->buffers)' code below the
dirty page writeout code.

regards,

Rik

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