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From: Alan Cox <alc@FreeBSD.org>
Date: Tue, 2 Jun 2009 08:02:27 +0000 (UTC)
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Subject: cvs commit: src/sys/kern uipc_shm.c src/sys/vm vnode_pager.c
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alc         2009-06-02 08:02:27 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             uipc_shm.c 
    sys/vm               vnode_pager.c 
  Log:
  SVN rev 193303 on 2009-06-02 08:02:27Z by alc
  
  Correct a boundary case error in the management of a page's dirty bits by
  shm_dotruncate() and vnode_pager_setsize().  Specifically, if the length of
  a shared memory object or a file is truncated such that the length modulo
  the page size is between 1 and 511, then all of the page's dirty bits were
  cleared.  Now, a dirty bit is cleared only if the corresponding block is
  truncated in its entirety.
  
  Revision  Changes    Path
  1.8       +17 -4     src/sys/kern/uipc_shm.c
  1.256     +16 -10    src/sys/vm/vnode_pager.c