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From: Alan Cox <alc@FreeBSD.org>
Date: Tue, 7 Dec 2004 22:05:38 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/vm vnode_pager.c
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alc         2004-12-07 22:05:38 UTC

  FreeBSD src repository

  Modified files:
    sys/vm               vnode_pager.c 
  Log:
  Almost nine years ago, when support for 1TB files was introduced in
  revision 1.55, the address parameter to vnode_pager_addr() was changed
  from an unsigned 32-bit quantity to a signed 64-bit quantity.  However,
  an out-of-range check on the address was not updated.  Consequently,
  memory-mapped I/O on files greater than 2GB could cause a kernel panic.
  Since the address is now a signed 64-bit quantity, the problem resolution
  is simply to remove a cast.
  
  Reviewed by: bde@ and tegge@
  PR: 73010
  MFC after: 1 week
  
  Revision  Changes    Path
  1.206     +1 -1      src/sys/vm/vnode_pager.c