mm/debug_vm_pgtable.c:860 warning triggered

[Daniel Walker (danielwa)]

On Mon, Nov 06, 2023 at 08:39:26AM +0530, Anshuman Khandual wrote:
> Hello Daniel,
> 
> This test just ensures that PFN is preserved during pte <--> swap pte transformations
> , and the warning here seems to have been caused by powerpc platform specific helpers
> and/or its pte_t representation. Adding powerpc folks and platform mailing list here.
> 
> - Anshuman
> 

How is the swap support to work if the pte_t is 64bits but the swp_entry_t is 32bits?
I would think there's other platforms which do this.

Daniel