On Mon, 2016-09-26 at 17:01 -0700, Andrew Morton wrote: > I don't share Eric's concerns about performance here. If the vmalloc() > is called, we're about to write to that quite large amount of memory > which we just allocated, and the vmalloc() overhead will be relatively > low. I did not care of the performance of this particular select() system call really, but other cpus because of more TLB invalidations. At least CONFIG_DEBUG_PAGEALLOC=y builds should be impacted, but maybe we do not care. -- 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
