On Wed, Mar 2, 2022 at 12:29 AM Muchun Song <[email protected]> wrote: > > The flush_cache_page() only remove a PAGE_SIZE sized range from the cache. > However, it does not cover the full pages in a THP except a head page. > Replace it with flush_cache_range() to fix this issue. At least, no > problems were found due to this. Maybe because the architectures that > have virtual indexed caches is less. > > Fixes: f27176cfc363 ("mm: convert page_mkclean_one() to use > page_vma_mapped_walk()") > Signed-off-by: Muchun Song <[email protected]> > Reviewed-by: Yang Shi <[email protected]>
Reviewed-by: Dan Williams <[email protected]>
