On Tue, 13 Jul 2021 07:52:30 +0200 Christoph Hellwig <hch@xxxxxx> wrote: > memcpy_to_page and memzero_page can write to arbitrary pages, which could > be in the page cache or in high memory, so call flush_kernel_dcache_pages > to flush the dcache. I assume this presently is not known to cause any problems, but that some problems might be discovered in the future? In which case, should we cc:stable?
