Re: [Patch 0/7] Implement crashkernel=auto
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- To: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
- Subject: Re: [Patch 0/7] Implement crashkernel=auto
- From: Bernhard Walle <bernhard.walle@xxxxxx>
- Date: Fri, 07 Aug 2009 23:31:52 +0200
- Cc: Amerigo Wang <amwang@xxxxxxxxxx>, Neil Horman <nhorman@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, tony.luck@xxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, Ingo Molnar <mingo@xxxxxxx>, Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>, Andi Kleen <andi@xxxxxxxxxxxxxx>, Kexec Mailing List <kexec@xxxxxxxxxxxxxxxxxxx>
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Eric W. Biederman schrieb:
>
> With the current set of crashkernel= options we are asking the
> distribution installer to perform magic. Moving as much of this logic
> into a normal init script for better maintenance is desirable.
Not (necessarily) the installer but the program that configures kdump.
system-config-kdump on Red Hat, YaST on SUSE.
> Bernhard does that sound useful to you?
I don't see any problems. I don't know how much effort is it to free
already reserved crashkernel memory, but I guess it's not really
complicated. Maybe that "1/32" should be specified on the command line like
crashkernel=>>5
(for 1/32*system_memory == system_memory>>5), OTOH I have no real strong
opinion.
Regards,
Bernhard
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