Re: No, really, stop trying to delete slab until you've finishedmaking slub perform as well

[Christoph Lameter]

KOSAKI Motohiro wrote:

> When hackbench running, SLUB consume memory very largely than SLAB.
> then, SLAB often outperform SLUB in memory stavation state.
> 
> I don't know why memory comsumption different.
> Anyone know it?

Can you quantify the difference?

SLAB buffers objects in its queues. SLUB does rely more on the page allocator.
So SLAB may have its own reserves to fall back on.
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