Re: [Patch] shm cleanups

[Christoph Rohland <hans-christoph.rohland@sap.com>]

Andrea Arcangeli <andrea@suse.de> writes:

> On 5 Nov 1999, Christoph Rohland wrote:
> 
> >Yes I know it is questionable, but if prepare_highmem_swapout fails we
> >are in the highmem area and probably most of the rest of shm is also
> >there. So we only consume a lot of CPU if going on and calling
> 
> If prepare_highmem_swapout fails maybe all the regular pages are allocated
> in the rest of the shm segment and to free them and do progresses you
> should continue to properly shrink the VM.
> 
> >prepare_highmem_swapout again and again..
> 
> That will happen in the patological unlikely to happen case so the
> performance of such path is not an issue.

So we only need the first part of the patch.

        Christoph

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