Messages in this thread | | | Date | Thu, 2 Jan 2014 09:34:14 +0800 | From | Xishi Qiu <> | Subject | Re: [PATCH] mm: add a new command-line kmemcheck value |
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On 2013/12/31 18:12, Vegard Nossum wrote:
> (Oops, resend to restore Cc.) > > Hi, > > On 31 December 2013 09:32, Xishi Qiu <qiuxishi@huawei.com> 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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