Re: [this_cpu_xx V7 0/8] Per cpu atomics in core allocators andcleanup

[Mathieu Desnoyers]

* Tejun Heo (tj@xxxxxxxxxx) wrote:
> Hello, Mathieu.
> 
> On 12/16/2009 02:43 AM, Mathieu Desnoyers wrote:
> > So I think accessing the "local_t offset" through percpu pointers should
> > be fine if I allocate struct ltt_chanbuf through the per cpu API.
> > However, I wonder how to deal with the commit_count counters, because
> > there is an indirection level.
> 
> Are they different in numbers for different cpus?

Nope, there is the same number of sub-buffers for each per-cpu buffer.
I just want to see if supplementary indirections are allowed after
dereferencing the per-cpu pointer ?

Thanks,

Mathieu

> 
> Thanks.
> 
> -- 
> tejun

-- 
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/