Re: [PATCH v1 2/2] mm/show_mem: Add trylock while printing alloc info

[Vlastimil Babka]

On 8/28/25 18:35, Shakeel Butt wrote:
> On Thu, Aug 28, 2025 at 10:41:23AM +0200, Vlastimil Babka wrote:
>> > 
>> > I was not aware of interrupt context before. I will change to test-and-set 
>> > lock in the next version.
>> 
>> Perhaps simply spinlock_t with spin_trylock()?
>> 
> 
> Will lockdep complain that this spinlock is taken in non-irq and irq
> context without disabling irqs?

If we only use spin_trylock then it won't.