Re: [PATCH v2 3/8] x86/pgtable: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE

[David Hildenbrand]

On 29.03.22 18:43, David Hildenbrand wrote:
> Let's use bit 3 to remember PG_anon_exclusive in swap ptes.
> 
> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
> ---

Looks like I ignored that 32bit uses a different (undocumented) swap layout
and bit 3 falls into the swp type. We'll restrict this to x86-64 for now, just
like for the other architectures.

The following seems to fly. @Andrew, let me know if you prefer a v3.