linux-kernel - Re: [RFC v2 PATCH 0/8] mm: mirrored memory support for page buddy allocations

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: <559161EF.7050405@intel.com>
Date:	Mon, 29 Jun 2015 08:19:11 -0700
From:	Dave Hansen <dave.hansen@...el.com>
To:	Xishi Qiu <qiuxishi@...wei.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...nel.org>,
	"Luck, Tony" <tony.luck@...el.com>,
	Hanjun Guo <guohanjun@...wei.com>,
	Xiexiuqi <xiexiuqi@...wei.com>, leon@...n.nu,
	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Vlastimil Babka <vbabka@...e.cz>, Mel Gorman <mgorman@...e.de>
CC:	Linux MM <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC v2 PATCH 0/8] mm: mirrored memory support for page buddy
 allocations

On 06/26/2015 07:19 PM, Xishi Qiu wrote:
>  drivers/base/node.c      |  17 ++++---
>  fs/proc/meminfo.c        |   6 +++
>  include/linux/memblock.h |  29 ++++++++++--
>  include/linux/mmzone.h   |  10 ++++
>  include/linux/vmstat.h   |   2 +
>  mm/Kconfig               |   8 ++++
>  mm/memblock.c            |  33 +++++++++++--
>  mm/nobootmem.c           |   3 ++
>  mm/page_alloc.c          | 117 ++++++++++++++++++++++++++++++++++++-----------
>  mm/vmstat.c              |   4 ++
>  10 files changed, 190 insertions(+), 39 deletions(-)

Has there been any performance analysis done on this code?  I'm always
nervous when I see page_alloc.c churn.


--
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/