[patch] allow crash dumps to Linux swap partitions

[Don Lewis]

On 18 Feb, Doug Barton wrote:
> On 02/18/2012 16:54, Don Lewis wrote:
>> On 18 Feb, Doug Barton wrote:
>>> On 02/18/2012 09:50, Andrey V. Elsukov wrote:
>>>> I think we can check bp->bio_from field, something like that (not tested):
>>>
>>> That made dumpon happy anyway, thanks!  I'm a bit rusty on "how to cause
>>> a dump on purpose" nowadays .... I'm running 8-stable right now, if
>>> someone wants to give me a hint I'll test this.
>> 
>> Break into DDB and type "call doadump".
> 
> Yeah, that's what I used to do, but Ctrl-Alt-Esc didn't do anything for
> me. Do I have to compile in options BREAK_TO_DEBUGGER even on a desktop?

Looks like it.  I've got that option in my custom kernel config files
that start with "include GENERIC".