linux-kernel - [thiscpuops upgrade 00/10] Upgrade of this_cpu

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Message-Id: <20101123235139.908255844@linux.com>
Date:	Tue, 23 Nov 2010 17:51:39 -0600
From:	Christoph Lameter <cl@...ux.com>
To:	akpm@...ux-foundation.org
Cc:	Tejun Heo <tj@...nel.org>
Subject: [thiscpuops upgrade 00/10] Upgrade of this_cpu_ops

A patchset that adds more this_cpu operations and in particular RMV operations
that can be used in various places to avoid address calculations and
memory accesses.

Also adds this_cpu_cmpxchg_double() which is a locally atomic version of
cmpxchg and uses that to demo how a lockless, preemptless fastpath for
memory allocation could work. Works good enough so that I can write this
email with that fastpath scheme.

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