Re: [PATCH 1/2] scalable rw_mutex

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To: Andrew Morton <[email protected]>
Subject: Re: [PATCH 1/2] scalable rw_mutex
From: Christoph Lameter <[email protected]>
Date: Fri, 11 May 2007 10:07:17 -0700 (PDT)
Cc: Peter Zijlstra <[email protected]>, [email protected], [email protected], Oleg Nesterov <[email protected]>, Ingo Molnar <[email protected]>, Thomas Gleixner <[email protected]>, Nick Piggin <[email protected]>
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]> <[email protected]>
Sender: [email protected]

On Fri, 11 May 2007, Andrew Morton wrote:

> yipes.  percpu_counter_sum() is expensive.

Capable of triggering NMI watchdog on 4096+ processors?

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- [PATCH 0/2] convert mmap_sem to a scalable rw_mutex
  - From: Peter Zijlstra <[email protected]>
- [PATCH 1/2] scalable rw_mutex
  - From: Peter Zijlstra <[email protected]>
- Re: [PATCH 1/2] scalable rw_mutex
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