K 10
svn:author
V 8
jchandra
K 8
svn:date
V 27
2011-01-27T14:49:22.056262Z
K 7
svn:log
V 349
Implement sf_buf using direct map (XKPHYS) in MIPS n64.

- Provide trivial implementation of sf_buf_alloc(), sf_buf_free(),
  sf_buf_kva() and sf_buf_page() using direct map for n64.
- uio_machdep.c - use macros so that the direct map will be used in
  case of n64.

Reviewed by:	imp (earlier version)
Obtained from:	jmallett (user/jmallett/octeon)

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