Re: [2.4] heavy-load under swap space shortage

Nick Piggin
2004-03-16T06:28:56Z

Andrea Arcangeli wrote:

>
>I argue those scalability benefits of the locks, on a 32G machine or on
>a 1G machine those locks benefits are near zero. The only significant
>benefit is in terms of computational complexity of the normal-zone
>allocations, where we'll only walk on the zone-normal and zone-dma
>pages.
>
>

Out of interest, are there workloads on 8 and 16-way UMA systems
that have lru_lock scalability problems in 2.6? Anyone know?