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From: Alan Cox <alc@FreeBSD.org>
Date: Sat, 31 Oct 2009 17:39:56 +0000 (UTC)
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Subject: cvs commit: src/sys/vm vm_fault.c
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alc         2009-10-31 17:39:56 UTC

  FreeBSD src repository

  Modified files:
    sys/vm               vm_fault.c 
  Log:
  SVN rev 198721 on 2009-10-31 17:39:56Z by alc
  
  Correct an error in vm_fault_copy_entry() that has existed since the first
  version of this file.  When a process forks, any wired pages are immediately
  copied because copy-on-write is not supported for wired pages.  In other
  words, the child process is given its own private copy of each wired page
  from its parent's address space.  Unfortunately, to date, these copied pages
  have been mapped into the child's address space with the wrong permissions,
  typically VM_PROT_ALL.  This change corrects the permissions.
  
  Reviewed by:    kib
  
  Revision  Changes    Path
  1.258     +1 -1      src/sys/vm/vm_fault.c