Re: [RFC PATCH] greatly reduce SLOB external fragmentation

Christoph Lameter
2008-07-31T15:44:19Z

Matt Mackall wrote:
> On Thu, 2008-07-31 at 09:26 -0500, Christoph Lameter wrote:
>> Matt Mackall wrote:
>>
>>> Finally getting rid of SLAB is a much trickier proposition because SLUB
>>> still loses in a few important corner cases.
>> Which corner cases? I know about the reports on the TPC issue which I
>> guess is a result of the avoidance of queueing in the cold free case.
>> It would be good to have a small C program (under an open source
>> license) that shows the issue.
>
> That's the one I had in mind, which I have no personal insight into.

I also only so far had to rely on reports by others and guesswork as to what is going on.