Re: [PATCH] anon_vmas: Convert the rwsem to an rwlock_t

From: Linus Torvalds
Date: Mon Sep 30 2013 - 12:26:26 EST

On Mon, Sep 30, 2013 at 1:52 AM, Andrea Arcangeli <aarcange@xxxxxxxxxx> wrote:
> Sorry having to break the party but the sleepable locks for anon_vma
> and i_mmap_mutex are now requirement for the "pageable RDMA" effort
> recently achieved upstream by mellanox with the MMU notifier.

I'll happily break that.

No way will some random crazy RDMA be a reason why we'd drop this kind
of improvement on actual loads that matter way more.

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