On Wed, 19 Dec 2012, Glauber Costa wrote: > When we are out of space in the caches, we will try to allocate a new > page. If we still fail, the page allocator will try to free pages > through direct reclaim. Which means that if an object allocation failed > we can be sure that no new pages could be given to us, even though > direct reclaim was likely invoked. Well this hits the hot allocation path with lots of additional checks that also require the touching of more cachelines. How much impact will this have? -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
