Re: [RFC][PATCH 7/7] kref: Implement using refcount_t

[Ingo Molnar]

* Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> Provide refcount_t, an atomic_t like primitive built just for
> refcounting.
> 
> It provides overflow and underflow checks as well as saturation
> semantics such that when it overflows, we'll never attempt to free it
> again, ever.
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
> ---
>  include/linux/kref.h     |   29 ++----
>  include/linux/refcount.h |  221 +++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 232 insertions(+), 18 deletions(-)

I'd suggest splitting this patch into two parts: first patch introduces the 
refcount.h facility, second patch changes over struct kref to the new facility.

Thanks,

	Ingo