Re: 64bit ticks, was Re: Changing p_swtime and td_slptime to ticks



Jeff Roberson writes:

Is there a good reason for not making ticks 64bit? math involving this
value is relatively infrequent. Bruce? Any comments? It'd sure let us
forget all of these counter wrapping problems.

Making ticks 64 bits on 32-bit architectures means that updates to it
will not be atomic.

-GAWollman

--
Garrett A. Wollman | The real tragedy of human existence is not that we are
wollman@xxxxxxxxxxxxx| nasty by nature, but that a cruel structural asymmetry
Opinions not those | grants to rare events of meanness such power to shape
of MIT or CSAIL. | our history. - S.J. Gould, Ten Thousand Acts of Kindness
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