Re: Problem with 2.6.18: memory leak(?)

From: Alexander V. Lukyanov
Date: Tue Nov 28 2006 - 01:43:46 EST


On Mon, Nov 27, 2006 at 07:38:34PM -0800, Andrew Morton wrote:
> It's not necessarily a leak. Networking tried to allocate two

You are right, it is not a leak. Probably the memory usage increased for some
other reason.

> physically-contiguous pages from atomic context, but no such two pages were
> available. The packet will be dropped and things should recover.
>
> Increasing /proc/sys/vm/min_free_kbytes will reduce the frequency somewhat.
> If it's actually a problem, which I doubt?

It is a problem. The messages load syslog and thus disk, network performance
decreases due to lost packets. I'll try to increase min_free_kbytes and
see if it helps.

--
Alexander.
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