Messages in this thread | | | Date | Sun, 28 Mar 2004 21:38:47 -0800 | From | William Lee Irwin III <> | Subject | Re: [PATCH] nodemask_t x86_64 changes [5/7] |
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On Mon, Mar 29, 2004 at 03:08:46PM +1000, Keith Owens wrote: > For big endian, ~0UL << NR_CPUS_UNDEF is right. For little endian, it > depends on how you represent an incomplete bit map. Is it represented > as a pure bit string, i.e. as if the arch were big endian? Or is it > represented as a mapping onto the bytes of the underlying long?
Bitmaps are represented in Linux in such manners as befit wrong (little) endian machines. I suggest shifting in the opposite direction.
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