Messages in this thread | | | Date | Wed, 24 Jul 2002 22:19:33 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: [PATCH] updated low-latency zap_page_range |
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On Wed, 24 Jul 2002, george anzinger wrote: > > > > That may be a bug in preempt_count(), of course. > > > Didn't we just put bh_count and irq_count in the same > word???
Yes. But that doesn't mean that the "preempt_count()" macro necessarily needs to reflect that.
In particular, we have separate macros for getting the irq bits from that shared word ("irq_count()" etc). Right now they happen to use the "preempt_count()" macro, but that's not really fundamental.
No big deal either way, I suspect.
Linus
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