On Tue, Mar 30, 2021 at 08:51:26PM +0300, Mike Rapoport wrote: > From: Mike Rapoport <[email protected]> > > Commit cb9f753a3731 ("mm: fix races between swapoff and flush dcache") > updated flush_dcache_page implementations on several architectures to use > page_mapping_file() in order to avoid races between page_mapping() and > swapoff(). > > This update missed arch/nds32 and there is a possibility of a race there. > > Replace page_mapping() with page_mapping_file() in nds32 implementation of > flush_dcache_page(). > > Fixes: cb9f753a3731 ("mm: fix races between swapoff and flush dcache") > Signed-off-by: Mike Rapoport <[email protected]>
Reviewed-by: Matthew Wilcox (Oracle) <[email protected]>
