[PATCH 1/3] kexec: don't invoke OOM-killer for control page allocation
Russell King - ARM Linux
linux at arm.linux.org.uk
Mon Apr 18 01:39:32 PDT 2016
On Mon, Apr 18, 2016 at 01:32:53PM +0800, Baoquan He wrote:
> On 04/14/16 at 09:00pm, Russell King wrote:
> > If we are unable to find a suitable page when allocating the control
> > page, do not invoke the OOM-killer: killing processes probably isn't
> > going to help.
> Originally kexec was made to reboot to test kernel quickly. If 1st
> kernel is palyed and hurted in a bad state and developer want to discard
> it and take a quick reboot, why don't we have a best try to make a
> successful kexec load?
And if it kills off every process trying to get a suitable page,
which then means you can't do anything other than power cycle,
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