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

From: Nick Piggin
Date: Tue Mar 16 2004 - 02:05:46 EST




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?


-
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/