Eric Dumazet wrote:
Hi
I'm pleased to present these patches which improve linux futex performance and
scalability, on both UP, SMP and NUMA configs.
I had this idea last year but I was not understood, probably because I gave
not enough explanations. Sorry if this mail is really long...
Yes please, this is really nice. The mmap_sem is already overworked just
doing real mm stuff, let alone making it the central point of our "scalable"
thread synchronisation syscall.
To summarise: not only will this make futexes scale much better, but it will
also take some load off mmap_sem.
--
SUSE Labs, Novell Inc.
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