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Date:   Mon, 5 Nov 2018 21:42:04 +1100
From:   Balbir Singh <bsingharora@gmail.com>
To:     Laurent Dufour <ldufour@linux.vnet.ibm.com>
Cc:     akpm@linux-foundation.org, mhocko@kernel.org, peterz@infradead.org,
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Subject: Re: [PATCH v11 00/26] Speculative page faults
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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?

Balbir Singh.