On Wed, Apr 28, 2010 at 3:47 PM, Xiaotian Feng <xtfeng@xxxxxxxxx> wrote: > On Wed, Apr 28, 2010 at 1:03 PM, Changli Gao <xiaosuo@xxxxxxxxx> wrote: >> implement the exclusive wait queue as a LIFO queue >> >> If the exclusive wait queue is also a LIFO queue as the normal wait queue, the >> process who goes to sleep recently, will be woke up first. As its memory is >> more likely in cache, we will get better performance. And when there are many >> processes waiting on a exclusive wait queue, some of them may not be woke up, >> if the others can handle the workload, and it will reduce the load of >> the scheduler. >> > > Starve some processes for performance? > Starve? Oh, No. If we don't need these processes, and we can do better without them, why we wake them up? -- Regards， Changli Gao(xiaosuo@xxxxxxxxx) -- 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
