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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>