On Mon, Jan 13, 2025 at 11:15:48PM +, Lorenzo Stoakes wrote:
> With the introduction of mapping_wrprotect_page() there is no need to use
> folio_mkclean() in order to write-protect mappings of frame buffer pages,
> and therefore no need to inappropriately set kernel-allocated page->index,
> map
Andrew - Ugh sorry - please disregard the below, I sent it to the wrong
thread. It's Saturday and I'm tired and brain not working :>)
Let me resend this against the correct non-RFC thread!
On Sat, Feb 01, 2025 at 05:01:15PM +, Lorenzo Stoakes wrote:
> On Mon, Jan 13, 2025 at 11:15:48PM +,
With the introduction of mapping_wrprotect_page() there is no need to use
folio_mkclean() in order to write-protect mappings of frame buffer pages,
and therefore no need to inappropriately set kernel-allocated page->index,
mapping fields to permit this operation.
Instead, store the pointer to the
