Re: [PATCH] x86, kdump: Set crashkernel_low automatically

From: Yinghai Lu
Date: Mon Mar 11 2013 - 16:57:46 EST


On Mon, Mar 11, 2013 at 1:45 PM, Vivek Goyal <vgoyal@xxxxxxxxxx> wrote:
> In my experience, trying to keep foot-print small has kind of been a
> losing battle.
>
> - People want more functionality in second kernel, want to dump to more
> complicated IO stacks and that requires pulling in more drivers,
> more libraries, more daemons, more user space tools and what not.
>
> - Now we use dracut generated initramfs and it has been growing in size.
> Now systemd has been pulled in too.
>
> - Drivers keep on increasing their memory usage.

If the dump file will be only put one place, why should all the drivers
for all devices get loaded?
for example: dump will be on disk with one scsi controller, can you only
load driver that contoller? and forget about all other storage controller and
network etc drivers.

Thanks

Yinghai
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