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

From: Rik van Riel (riel_at_redhat.com)
Date: 12/23/04

  • Next message: Christoph Lameter: "Prezeroing V2 [0/3]: Why and When it works" 
    Date:	Thu, 23 Dec 2004 14:21:15 -0500 (EST)
To: Andrew Morton <akpm@osdl.org>

    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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/
  • Next message: Christoph Lameter: "Prezeroing V2 [0/3]: Why and When it works"

    Relevant Pages