Re: [PATCH 0/3] ramzswap: Eliminate stale data from compressed memory(v2)

From: Nitin Gupta
Date: Sat May 08 2010 - 03:01:28 EST


Oops, missed this part:

On 05/08/2010 11:59 AM, Pekka Enberg wrote:
> Andrew Morton wrote:
>> I've completely forgotten why we need this xvmalloc thing and I don't
>> recall whether we decided it would be a good thing to have as a generic
>> facility and of course it's all unexplained and undocumented. I won't
>> be looking at it today, for this reason.
>
> We need it because the slab allocator is not a good fit for this special
> purpose driver due to fragmentation. Nitin, you had a nice web page
> showing all the relevant numbers but I can't find it anymore.
>

xvmalloc performance numbers:
http://code.google.com/p/compcache/wiki/xvMalloc
http://code.google.com/p/compcache/wiki/xvMallocPerformance

Thanks,
Nitin
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/