From: Joerg Roedel <jroedel@suse.de>
To: Oded Gabbay <oded.gabbay@amd.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] mm: export find_extend_vma and handle_mm_fault for driver use
Date: Thu, 6 Nov 2014 14:03:08 +0100 [thread overview]
Message-ID: <20141106130308.GK8354@suse.de> (raw)
In-Reply-To: <545B3676.9030609@amd.com>
On Thu, Nov 06, 2014 at 10:51:02AM +0200, Oded Gabbay wrote:
> Joerg, sorry for the dumb question but what do you mean by "task
> accounting for page-faults"? Where is that code in IOMMUv2 driver
> now?
Linux counts major and minor page-faults for each running task. For the
IOMMUv2 driver this was done in the get_user_pages function, at least
until I changed the task parameter to NULL. Currently there is no
accounting for that in the IOMMUv2 driver.
Joerg
next prev parent reply other threads:[~2014-11-06 13:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-24 19:34 [PATCH 1/2] mm: export find_extend_vma and handle_mm_fault for driver use Jesse Barnes
2014-10-24 19:34 ` [PATCH 2/2] iommu/amd: use handle_mm_fault directly Jesse Barnes
2014-10-27 15:13 ` [PATCH 1/2] mm: export find_extend_vma and handle_mm_fault for driver use Joerg Roedel
2014-10-27 15:15 ` Oded Gabbay
2014-10-27 15:35 ` Jesse Barnes
2014-10-27 15:37 ` Oded Gabbay
2014-10-29 9:33 ` Oded Gabbay
2014-10-29 14:37 ` Jesse Barnes
2014-11-05 12:03 ` Joerg Roedel
2014-11-05 21:51 ` Jesse Barnes
2014-11-06 8:51 ` Oded Gabbay
2014-11-06 13:03 ` Joerg Roedel [this message]
2014-11-06 13:01 ` Joerg Roedel
2014-11-12 22:07 ` Jesse Barnes
2014-11-17 16:53 ` Joerg Roedel
-- strict thread matches above, loose matches on Subject: below --
2014-11-12 22:10 Jesse Barnes
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