linux-kernel - Re: [PATCH 1/2] mm: export find_extend_vma and handle_mm

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20141106130308.GK8354@suse.de>
Date:	Thu, 6 Nov 2014 14:03:08 +0100
From:	Joerg Roedel <jroedel@...e.de>
To:	Oded Gabbay <oded.gabbay@....com>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] mm: export find_extend_vma and handle_mm_fault for
 driver use

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/