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* Rework and extend PowerPC headers definitons towards Book-E/e500 CPUs support.raj2008-03-031-0/+30
| | | | | | Approved by: cognet (mentor) Obtained from: Juniper, Semihalf MFp4: e500
* MFamd64alc2004-04-181-12/+14
| | | | | Simplify the sf_buf implementation. In short, make it a veneer over the direct virtual-to-physical mapping.
* - Modify alpha's sf_buf implementation to use the direct virtual-to-alc2003-11-161-0/+56
physical mapping. - Move the sf_buf API to its own header file; make struct sf_buf's definition machine dependent. In this commit, we remove an unnecessary field from struct sf_buf on the alpha, amd64, and ia64. Ultimately, we may eliminate struct sf_buf on those architecures except as an opaque pointer that references a vm page.
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