On Thu, 21 Oct 2010 15:28:35 -0500 (CDT) Christoph Lameter <cl@xxxxxxxxx> wrote: > On Thu, 21 Oct 2010, Andrew Morton wrote: > > > The patch changes balance_pgdat() to not shrink slab when inspecting > > the highmem zone. It will therefore change zone balancing behaviour on > > a humble 1G laptop, will it not? > > It will avoid a slab shrink call on the HIGHMEM zone that will put useless > pressure on the cache objects in ZONE_NORMAL and ZONE_DMA. There will have > been already shrinker calls for ZONE_DMA and ZONE_NORMAL before. This is > going to be the third round.... > Right, it changes behaviour for modest machines. Apparently accidentally. Is the new behaviour better, or worse? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>