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CVS commit: src/sys

Module Name:    src
Committed By:   yamt
Date:           Fri Feb 17 08:45:12 UTC 2012

Modified Files:
        src/sys/kern: bufq_priocscan.c
        src/sys/sys: buf.h param.h

Log Message:

- to reduce cpu consumption for a long queue, maintain the sorted lists of
  buffers with rbtree instead of TAILQ.  i vaguely remember that the problem
  pointed out by someone on a public mailing list while ago.  sorry, i can't
  remember who and where.

- add some #ifdef'ed out experimental code.

- bump kernel version for struct buf change.

To generate a diff of this commit:
cvs rdiff -u -r1.16 -r1.17 src/sys/kern/bufq_priocscan.c
cvs rdiff -u -r1.118 -r1.119 src/sys/sys/buf.h
cvs rdiff -u -r1.409 -r1.410 src/sys/sys/param.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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