linux-kernel - Announce: Auto/Lazy-migration Patches RFC on linux-numa list

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Date:	Fri, 12 Nov 2010 11:15:06 -0500
From:	Lee Schermerhorn <lee.schermerhorn@...com>
To:	qemu-devel@...gnu.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	virtualization@...ts.linux-foundation.org
Subject: Announce: Auto/Lazy-migration Patches RFC on linux-numa list

At last weeks' LPC, there was some interest in my patches for Auto/Lazy
Migration to improve locality and possibly performance of unpinned guest
VMs on a NUMA platform.  As a result of these conversations I have reposted
the patches [4 series, ~40 patches] as RFCs to the linux-numa list.  Links
to threads given below.

I have rebased the patches atop 3Nov10 mmotm series [2.6.36 + 3nov mmotm].
The patched kernel builds, boots and survives some fairly heavy testing on
an 8 node istanbul x86_64.  Under heavy load, I do encounter a race in the
somewhat optional migration cache.  Currently this generates a warning and
carries on, but the one migration cache entry and related page is then
wedged.  This would need to be resolved.

The series/threads in the order applied:

[PATCH/RFC 0/14] Shared Policy Overview
http://markmail.org/message/trvpl3t7gimvwht6

[PATCH/RFC 0/8] numa - Migrate-on-Fault
http://markmail.org/message/mdwbcitql5ka4uws

[PATCH/RFC 0/11] numa - Automatic-migration
http://markmail.org/message/zik3itmqed65mol2

[PATCH/RFC 1/5] numa - migration cache - core implementation
http://markmail.org/message/xvck7enyezx6chyi

RESEND: [PATCH/RFC 1/5] numa - migration cache - core implementation
http://markmail.org/message/xgvvrnn2nk4nsn2e

	resend to add back the patch description missing from 1st attempt.

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