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

[Zhang Yanfei <zhangyanfei@cn.fujitsu.com>]

On 05/28/2013 02:17 PM, Rob Landley wrote:
> On 05/26/2013 08:54:19 PM, 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@cn.fujitsu.com>
>> >>
>> >> Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
>> >> Cc: Dave Jones <davej@redhat.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.
> 
> Obsolete implies that it shouldn't be used anymore. There are exceptions to everything, of course...
> 
> (Unused means nothing is using it. If there's still code using it, it's not unused. So yeah unused would imply removed.)
> 

So, could I just use UNSED to replace OBSOLETE here? Or use "OBSOLETE/UNUSED"?

-- 
Thanks.
Zhang Yanfei