On 07/06, Johannes Berg wrote:
>
> On Thu, 2007-07-05 at 19:36 +0400, Oleg Nesterov wrote:
>
> > So, __WORK_INITIALIZER() uses work_struct itself as a "struct lock_class_key" ?
> > How so?
>
> Well, this is for work_structs that are static (not dynamically
> allocated.) struct lock_class_key is just a single byte because its
> whole purpose is to be a unique pointer, there's nothing actually in it.
> Hence, taking the address of the work struct (when it's statically
> allocated) is a unique pointer just as well.
Yes, got it, but forgot to reply to myself. But thanks for your confirmation
of my understanding.
I believe both patches are nice.
Oleg.
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