| Subject | Re: [PATCH v11 00/26] Speculative page faults | From | Laurent Dufour <> | Date | Mon, 5 Nov 2018 17:08:45 +0100 |
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Le 05/11/2018 à 11:42, Balbir Singh a écrit : > On Thu, May 17, 2018 at 01:06:07PM +0200, Laurent Dufour wrote: >> This is a port on kernel 4.17 of the work done by Peter Zijlstra to handle >> page fault without holding the mm semaphore [1]. >> >> The idea is to try to handle user space page faults without holding the >> mmap_sem. This should allow better concurrency for massively threaded > > Question -- I presume mmap_sem (rw_semaphore implementation tested against) > was qrwlock?
I don't think so, this series doesn't change the mmap_sem definition so it still belongs to the 'struct rw_semaphore'.
Laurent.
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