Messages in this thread |  | | | Date | Fri, 1 May 2009 21:59:41 +0200 | | From | Ingo Molnar <> | | Subject | Re: [PATCH] Fix dirty page accounting in redirty_page_for_writepage() |
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* Christoph Lameter <cl@linux.com> wrote:
> On Thu, 30 Apr 2009, Ingo Molnar wrote: > > > So we introduced preemption-safety in the v2 version of that commit. > > > > This non-atomicity will 1) either not matter 2) will be > > irq-atomic by virtue of being within a critical section 3) can > > be made atomic in the few remaining cases. > > > > And maybe, at most, introduce an opt-in API: > > percpu_add_irqsafe(). > > Plus percpu_add_preemptsafe().
Ok - that would be easy. Would you be interested in doing that and would you be interested in resurrecting your old patches? They are genuinely useful IMHO.
Ingo
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