Re: [PATCH] oom: add sysctl to enable slab memory dump

[Pekka Enberg]

On Thu, 23 Feb 2012, David Rientjes wrote:
> > Great! So, why not letting the time tell us if this feature will be obsoleted
> > or not? I'd rather have this patch obsoleted by another one proven better, than
> > just stay still waiting for something that might, or might not, happen in the
> > future.
> 
> Because (1) you're adding a sysctl that we don't want to obsolete and 
> remove from the kernel that someone will come to depend on and then have 
> to find an alternative solution like /dev/mem_notify, and (2) people parse 
> messages like this that are emitted to the kernel log that we don't want 
> to break in the future.
> 
> So NACK on this approach.

Right. We should drop the sysctl and make it into a kernel command line 
debugging option instead.

			Pekka
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