On Wed, Mar 15, 2023 at 05:14:15AM +, Matthew Wilcox (Oracle) wrote:
> Add PFN_PTE_SHIFT, update_mmu_cache_range(), flush_dcache_folio()
> and flush_icache_pages().
>
> Change the PG_dc_clean flag from being per-page to per-folio (which
> means it cannot always be set as we don't know that all
Add PFN_PTE_SHIFT, update_mmu_cache_range(), flush_dcache_folio()
and flush_icache_pages().
Change the PG_dc_clean flag from being per-page to per-folio (which
means it cannot always be set as we don't know that all pages in this
folio were cleaned). Enhance the internal flush routines to take th