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From: Jeff Roberson <jeff@FreeBSD.org>
Date: Wed, 1 Jul 2009 20:43:46 +0000 (UTC)
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Subject: cvs commit: src/sys/kern sys_generic.c
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jeff        2009-07-01 20:43:46 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             sys_generic.c 
  Log:
  SVN rev 195259 on 2009-07-01 20:43:46Z by jeff
  
   - Use fd_lastfile + 1 as the upper bound on nd.  This is more correct than
     using the size of the descriptor array.
   - A lock is not needed to fetch fd_lastfile.  The results are stale the
     instant it is dropped.
   - Use a private mutex pool for select since the pool mutex is not used
     as a leaf.
   - Fetch the si_mtx pointer first before resorting to hashing to compute
     the mutex address.
  
  Reviewed by:    McKusick
  Approved by:    re (kib)
  
  Revision  Changes    Path
  1.174     +8 -6      src/sys/kern/sys_generic.c