linux-kernel - Re: [PATCH v2 2/7] Documentation/devices.txt: Mark /dev/oldmem obsolete

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Date:	Mon, 27 May 2013 11:16:11 +0900
From:	HATAYAMA Daisuke <d.hatayama@...fujitsu.com>
To:	Zhang Yanfei <zhangyanfei@...fujitsu.com>
CC:	Zhang Yanfei <zhangyanfei.yes@...il.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Simon Horman <horms@...ge.net.au>,
	"kexec@...ts.infradead.org" <kexec@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/7] Documentation/devices.txt: Mark /dev/oldmem obsolete

(2013/05/27 10:54), Zhang Yanfei wrote:
> 于 2013年05月27日 09:46, HATAYAMA Daisuke 写道:
>> (2013/05/26 15:36), Zhang Yanfei wrote:
>>> From: Zhang Yanfei <zhangyanfei@...fujitsu.com>
>>>
>>> Signed-off-by: Zhang Yanfei <zhangyanfei@...fujitsu.com>
>>> Cc: Dave Jones <davej@...hat.com>
>>> ---
>>>    Documentation/devices.txt |    3 +--
>>>    1 files changed, 1 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/Documentation/devices.txt b/Documentation/devices.txt
>>> index 08f01e7..c8e4002 100644
>>> --- a/Documentation/devices.txt
>>> +++ b/Documentation/devices.txt
>>> @@ -100,8 +100,7 @@ Your cooperation is appreciated.
>>>             10 = /dev/aio        Asynchronous I/O notification interface
>>>             11 = /dev/kmsg        Writes to this come out as printk's, reads
>>>                        export the buffered printk records.
>>> -         12 = /dev/oldmem    Used by crashdump kernels to access
>>> -                    the memory of the kernel that crashed.
>>> +         12 = /dev/oldmem    OBSOLETE
>>>
>>>      1 block    RAM disk
>>>              0 = /dev/ram0        First RAM disk
>>>
>>
>> This is the new patch. Looking at other parts of devices.txt, obsolete is
>> sometimes used together with unused. I guess obsolete means this is old interface so
>> don't use it as much as possible and unused means this is not used at all now.
>> You remove old memory interface completely in this patch set, so is it better to add
>> unused, too?
>>
>
> Does obsolete also mean "not used anymore"? I don't know. I think we can wait for some native
> English speakers to comment on this.
>

Yes. To be honest, I'm still suspecting "unused" doesn't include meaning of "removed"...

-- 
Thanks.
HATAYAMA, Daisuke

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