linux-kernel - Re: [RFC PATCH 0/7] Replace _PAGE_NUMA with PAGE

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Message-ID: <546B7F73.6090805@oracle.com>
Date:	Tue, 18 Nov 2014 12:18:43 -0500
From:	Sasha Levin <sasha.levin@...cle.com>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Mel Gorman <mgorman@...e.de>
CC:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linux-MM <linux-mm@...ck.org>, Hugh Dickins <hughd@...gle.com>,
	Dave Jones <davej@...hat.com>, Rik van Riel <riel@...hat.com>,
	Ingo Molnar <mingo@...hat.com>,
	Kirill Shutemov <kirill.shutemov@...ux.intel.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [RFC PATCH 0/7] Replace _PAGE_NUMA with PAGE_NONE protections

On 11/18/2014 11:56 AM, Aneesh Kumar K.V wrote:
>>> 4. Similarly, does the kernel boot properly without without patches?
>> >
>> > Yes, the kernel works fine without the patches both with and without fake
>> > numa.
> 
> Hmm that is interesting. I am not sure how writeback_fid can be
> related. We use writeback fid to enable client side caching with 9p
> (cache=loose). We use this fid to write back dirty pages later. Can you
> share the qemu command line used, 9p mount options and the test details ? 

I'm using kvmtool rather than qemu. rootfs is created via kernel parameters:

root=/dev/root rw rootflags=rw,trans=virtio,version=9p2000.L rootfstype=9p

The test is just running trinity, there's no 9p or mm specific test going on.

I've attached my .config.


Thanks,
Sasha

Download attachment "config-sasha.gz" of type "application/gzip" (39288 bytes)