Re: 2.4.14 + Bug in swap_out.

From: Rik van Riel (riel@conectiva.com.br)
Date: Wed Nov 21 2001 - 07:17:07 EST

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On 20 Nov 2001, Eric W. Biederman wrote:
> "David S. Miller" <davem@redhat.com> writes:
>
> > I do not agree with your analysis.
>
> Neither do I now but not for your reasons :)
>
> I looked again we are o.k. but just barely. mmput explicitly checks
> to see if it is freeing the swap_mm, and fixes if we are. It is a
> nasty interplay with the swap_mm global, but the code is correct.

To be honest I don't see the reason for this subtle
playing with swap_mm in mmput(), since the refcounting
should mean we're safe.

Rik

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