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Date:      Tue, 30 Oct 2001 19:06:33 -0800 (PST)
From:      Matt Dillon <dillon@FreeBSD.org>
To:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   cvs commit: src/sys/vm vm_map.c vm_map.h src/sys/i386/i386 pmap.c
Message-ID:  <200110310306.f9V36X057254@freefall.freebsd.org>

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dillon      2001/10/30 19:06:33 PST

  Modified files:
    sys/vm               vm_map.h vm_map.c 
    sys/i386/i386        pmap.c 
  Log:
  Don't let pmap_object_init_pt() exhaust all available free pages
  (allocating pv entries w/ zalloci) when called in a loop due to
  an madvise().  It is possible to completely exhaust the free page list and
  cause a system panic when an expected allocation fails.
  
  Revision  Changes    Path
  1.292     +17 -1     src/sys/i386/i386/pmap.c
  1.211     +1 -1      src/sys/vm/vm_map.c
  1.68      +2 -1      src/sys/vm/vm_map.h

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