On 09/25/2018 01:20 PM, Alexander Duyck wrote:
+ vm_debug[=options] [KNL] Available with CONFIG_DEBUG_VM=y.
+ May slow down system boot speed, especially when
+ enabled on systems with a large amount of memory.
+ All options are enabled by default, and this
+ interface is meant to allow for selectively
+ enabling or disabling specific virtual memory
+ debugging features.
+ Available options are:
+ P Enable page structure init time poisoning
+ - Disable all of the above options
Can we have vm_debug=off for turning things off, please? That seems to
be pretty standard.
Also, we need to document the defaults. I think the default is "all
debug options are enabled", but it would be nice to document that.