Re: [PATCH][1/2] adjust dirty threshold for lowmem-only mappings

Rik van Riel
2004-12-23T19:21:23Z

On Mon, 20 Dec 2004, Andrew Morton wrote:
> Rik van Riel <riel@redhat.com> wrote:
>>
>> Simply running "dd if=/dev/zero of=/dev/hd<one you can miss>" will
>> result in OOM kills, with the dirty pagecache completely filling up
>> lowmem.
>
> That surely used to work - I have a feeling that it got broken somehow.
> The below might fix it, but probably not.

Even all 3 patches together don't seem to have fixed
the bug completely. The time needed to trigger the
bug has gone up though, from 5 minutes to a day ...

--
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan