On Fri, Mar 18, 2022 at 03:45:24PM +0800, Muchun Song 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 <songmuc...@bytedance.com>
> Reviewed-by: Yang Shi <shy828...@gmail.com>
> Reviewed-by: Dan Williams <dan.j.willi...@intel.com>

Looks good:

Reviewed-by: Christoph Hellwig <h...@lst.de>

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