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From: Alan Cox <alc@FreeBSD.org>
Date: Fri, 11 Mar 2005 03:50:47 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_5
Subject: cvs commit: src/sys/kern uipc_mbuf.c src/sys/sys mbuf.h
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alc         2005-03-11 03:50:47 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_5)
    sys/kern             uipc_mbuf.c 
    sys/sys              mbuf.h 
  Log:
  MFC
   The m_ext reference counts are potentially shared and modified
   asynchronously by different threads.  Thus, declare as volatile the
   reference count that is accessed through m_ext's pointer, ref_cnt.
  
  Approved by: re (dwhite,jhb)
  
  Revision   Changes    Path
  1.135.2.4  +3 -2      src/sys/kern/uipc_mbuf.c
  1.157.2.5  +1 -1      src/sys/sys/mbuf.h