cvs commit: src/sbin/mdconfig mdconfig.8 mdconfig.c

Robert Watson rwatson at
Wed Feb 21 10:36:58 UTC 2007

On Tue, 20 Feb 2007, Nick Hibma wrote:

> n_hibma     2007-02-20 22:04:23 UTC
>  FreeBSD src repository
>  Modified files:
>    sbin/mdconfig        mdconfig.8 mdconfig.c
>  Log:
>  Kris suggested that swap is a better choice as a default than malloc.
>  MFC:    1 week

Are you sure this should be MFC'd?  While I agree with the change in 
principle, it will cause systems currently using malloc-backed md devices to 
mysteriously switch to swap-backed.  How will this behave on systems that 
don't have swap, such as pure diskless systems not using NFS-backed swap? 
This isn't a strong objection per se, but it could be that rc.d scripts need 
tweaking for diskless environments if they currently do use malloc-back md 
devices based on that being the default.

Robert N M Watson
Computer Laboratory
University of Cambridge

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