Re: [PATCH] mm: add a new command-line kmemcheck value

[Xishi Qiu]

On 2013/12/31 18:12, Vegard Nossum wrote:

> (Oops, resend to restore Cc.)
> 
> Hi,
> 
> On 31 December 2013 09:32, Xishi Qiu <qiuxishi@xxxxxxxxxx> wrote:
>> Add a new command-line kmemcheck value: kmemcheck=3 (disable the feature),
>> this is the same effect as CONFIG_KMEMCHECK disabled.
>> After doing this, we can enable/disable kmemcheck feature in one vmlinux.
> 
> Could you please explain what exactly the difference is between the
> existing kmemcheck=0 parameter and the new kmemcheck=3?
> 
> Thanks,
> 
> 
> Vegard
> 

Hi Vegard,

kmemcheck=0: enable kmemcheck feature, but don't check the memory.
	and the OS use only one cpu.(setup_max_cpus = 1)
kmemcheck=3: disable kmemcheck feature.
	this is the same effect as CONFIG_KMEMCHECK disabled.
	OS will use cpus as many as possible.

Thanks,
Xishi Qiu




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