Re: zsmalloc zbud hybrid design discussion?

[Seth Jennings]

On Thu, Apr 11, 2013 at 02:35:34PM -0500, Seth Jennings wrote:
> Not a requirement:
> 
> Compaction - compaction would basically involve creating a virtual address
> space of sorts, which zsmalloc is capable of through its API with handles,
> not pointer.  However, as Dan points out this requires a structure the maintain
> the mappings and adds to complexity.  Additionally, the need for compaction
> diminishes as the allocations are short-lived with frontswap backends doing
> writeback and cleancache backends shrinking.

Of course I say this, but for zram, this can be important as the allocations
can't be moved out of memory and, therefore, are long lived.  I was speaking
from the zswap perspective.

Thanks,
Seth

--
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/