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From: Andriy Gapon <avg@FreeBSD.org>
Date: Tue, 24 Aug 2010 17:48:22 +0000 (UTC)
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Subject: cvs commit: src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs arc.c
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avg         2010-08-24 17:48:22 UTC

  FreeBSD src repository

  Modified files:
    sys/cddl/contrib/opensolaris/uts/common/fs/zfs arc.c 
  Log:
  SVN rev 211762 on 2010-08-24 17:48:22Z by avg
  
  zfs arc_reclaim_thread: no need to call arc_reclaim_needed when
  resetting needfree
  
  needfree is checked at the very start of arc_reclaim_needed.
  This change makes code easier to follow and maintain in face of
  potential changed in arc_reclaim_needed.
  
  Also, put the whole sub-block under _KERNEL because needfree can be set
  only in kernel code.
  
  To do: rename needfree to something else to aovid confusion with
  OpenSolaris global variable of the same name which is used in the same
  code, but has different meaning (page deficit).
  
  Note: I have an impression that locking around accesses to this variable
  as well as mutual notifications between arc_reclaim_thread and
  arc_lowmem are not proper.
  
  MFC after:      1 week
  
  Revision  Changes    Path
  1.43      +3 -3      src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c