linux-kernel - Re: [PATCH 3/4] mm: mempolicy: Skip inaccessible VMAs when setting MPOL_MF

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: <542D7479.7000504@redhat.com>
Date:	Thu, 02 Oct 2014 11:51:21 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Mel Gorman <mgorman@...e.de>, Dave Jones <davej@...hat.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Hugh Dickins <hughd@...gle.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Aneesh Kumar <aneesh.kumar@...ux.vnet.ibm.com>,
	Michel Lespinasse <walken@...gle.com>,
	Kirill A Shutemov <kirill.shutemov@...ux.intel.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/4] mm: mempolicy: Skip inaccessible VMAs when setting
 MPOL_MF_LAZY

On 10/02/2014 09:29 AM, Mel Gorman wrote:
> PROT_NUMA VMAs are skipped to avoid problems distinguishing between
> present, prot_none and special entries. MPOL_MF_LAZY is not visible from
> userspace since commit a720094ded8c ("mm: mempolicy: Hide MPOL_NOOP and
> MPOL_MF_LAZY from userspace for now") but it should still skip VMAs the
> same way task_numa_work does.
> 
> Signed-off-by: Mel Gorman <mgorman@...e.de>

Acked-by: Rik van Riel <riel@...hat.com>

--
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/