linux-kernel - Re: [RFC PATCH] memory driver: make phys_index/end_phys_index reflect the start/end section number

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: <53443E8C.4070906@linux.vnet.ibm.com>
Date:	Tue, 08 Apr 2014 13:23:08 -0500
From:	Nathan Fontenot <nfont@...ux.vnet.ibm.com>
To:	Dave Hansen <dave.hansen@...el.com>,
	Li Zhong <zhong@...ux.vnet.ibm.com>,
	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
CC:	LKML <linux-kernel@...r.kernel.org>, gregkh@...uxfoundation.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Zhang Yanfei <zhangyanfei@...fujitsu.com>
Subject: Re: [RFC PATCH] memory driver: make phys_index/end_phys_index reflect
 the start/end section number

On 04/08/2014 11:13 AM, Dave Hansen wrote:
> On 04/08/2014 01:27 AM, Li Zhong wrote:
>> If Dave and others don't have further objections, it seems this small
>> userspace incompatibility could be accepted by most of us, and I don't
>> need to make a version 2. 
> 
> Let me ask another question then.  What are the units of
> phys_index/end_phys_index?  How do we expose those units to userspace?
>

The documentation for these files just states that the files contain
the first and last section id of memory in the memory block for
phys_index and end_phys_index respectively.

I'm not sure the values have ever been units of anything, at least not
that I remember.

-Nathan
 

--
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/