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From: Alan Cox <alc@FreeBSD.org>
Date: Thu, 9 Dec 2010 20:16:00 +0000 (UTC)
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Subject: cvs commit: src/sys/i386/i386 pmap.c
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alc         2010-12-09 20:16:00 UTC

  FreeBSD src repository

  Modified files:
    sys/i386/i386        pmap.c 
  Log:
  SVN rev 216333 on 2010-12-09 20:16:00Z by alc
  
  When r207410 eliminated the acquisition and release of the page queues
  lock from pmap_extract_and_hold(), it didn't take into account that
  pmap_pte_quick() sometimes requires the page queues lock to be held.
  This change reimplements pmap_extract_and_hold() such that it no
  longer uses pmap_pte_quick(), and thus never requires the page queues
  lock.
  
  For consistency, adopt the same idiom as used by the new
  implementation of pmap_extract_and_hold() in pmap_extract() and
  pmap_mincore().  It also happens to make these functions shorter.
  
  Fix a style error in pmap_pte().
  
  Reviewed by:    kib@
  
  Revision  Changes    Path
  1.695     +40 -61    src/sys/i386/i386/pmap.c