Re: swapper: page allocation failure.

[Nick Piggin]

Haar János wrote:

> I did it allready, and it looks like solves the problem.
> Yesterday i have more than 6 random reboots, and after i set from 3800 to
> 16000 the min free limit, i have none at this point. :-)
>
>  15:51:45 up  7:21,  1 user,  load average: 0.85, 0.79, 0.67

Oh that's good. It's sad that you had random reboots though :(

> Anyway, i interested about cache/buffer mechanism, because i have some
> performance problems too, and i can see, these systems wastes the half of
> memory instead of speeds up the operation.

Yeah, as I said, block device's pagecache (aka buffercache) can't
use highmem. If nbd can export regular files as block devices, or
you use loop devices from regular files, that might help (or slow
things down :P).

--
SUSE Labs, Novell Inc.
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