On Sat, Sep 28, 2013 at 11:55:26AM -0700, Linus Torvalds wrote: > So if the primary reason for this is really just that f*cking anon_vma > lock, then I would seriously suggest:
I would still like to see the rwsem patches merged; even if we end up going back to a spin style anon_vma lock. There's been various reports in the past about how programs are significantly faster if they wrap their mmap() calls in a pthread_mutex. And this was purely down to the fact that rwsem writer-writer contention blows chunks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/