Re: mfs/mdconfig under RELENG_5: malloc vs swap-backed

From: Bernd Walter (ticso_at_cicely12.cicely.de)
Date: 07/30/05

  • Next message: Wang Jun: "unsubscribe"
    Date: Sat, 30 Jul 2005 01:15:44 +0200
    To: Dmitry Morozovsky <marck@rinet.ru>
    
    

    On Fri, Jul 29, 2005 at 09:41:24PM +0400, Dmitry Morozovsky wrote:
    > Dear colleagues,
    >
    > can anyone please point me why mdconfig method for tmpmfs
    > is malloc-backed instead of swap-backed, and it is hardcoded into rc.subr?
    >
    > Are swap-backed file systems so inefficient? If no, why not move -M to
    > /etc/defaultc/rc.conf so admin can override this behaviour?

    Diskless systems may not have swap - the default is required as is.
    Don't know about beeing hardcoded.

    -- 
    B.Walter                   BWCT                http://www.bwct.de
    bernd@bwct.de                                  info@bwct.de
    _______________________________________________
    freebsd-hackers@freebsd.org mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
    To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
    

  • Next message: Wang Jun: "unsubscribe"

    Relevant Pages

    • Re: mfs/mdconfig under RELENG_5: malloc vs swap-backed
      ... >>can anyone please point me why mdconfig method for tmpmfs ... > Diskless systems may not have swap - the default is required as is. ...
      (freebsd-hackers)
    • Re: Support for geli onetime encryption for /tmp?
      ... Using a memory file system (together, of course, with an encrypted swap ... Since the tmpmfs option does not scale well with growing /tmp space ... Either my understanding of the FreeBSD VM is wrong, ... Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ ...
      (freebsd-current)
    • Re: kmem leak in tmpmfs?
      ... enough RAM to handle the size. ... Perhaps tmpmfs does not use swap ... backing, ...
      (freebsd-stable)