Re: [BUG] WARNING: CPU: 3 PID: 1 at mm/debug_vm_pgtable.c:493

[Steven Rostedt]

On Tue, 12 Oct 2021 12:15:40 -0700
Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> You might add some debugging to the x86 pud_set_huge() function,
> something like the attached (obviously entirely untested) patch.

Well, I've applied this patch, and have yet to reproduce it.

So, I added this to my "apply before testing" patch set, and if it triggers
again, I should have more info.

-- Steve