On 2022/11/8 20:04, Jason Gunthorpe wrote: > On Tue, Nov 08, 2022 at 05:32:52PM +0800, Wei Yongjun wrote: >>> So you want to set/clear this no_warn attr through the procfs or sysfs >>> interface, so that you can easily disable/enable the slab/page fault >>> warning message from the user mode. Right? >> >> Yes, just like: >> >> echo 1 > /sys/kernel/debug/failslab/no_warn #disable message >> echo 0 > /sys/kernel/debug/failslab/no_warn #enable message > > You can already do that: > > echo 0 > /sys/kernel/debug/failslab/verbose #disable message Got it, thanks. Wei Yongjun