Mike Rapoport a3a8833dff nds32: flush_dcache_page: use page_mapping_file to avoid races with swapoff ... Commit cb9f753a37 ("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(). Link: https://lkml.kernel.org/r/20210330175126.26500-1-rppt@kernel.org Fixes: cb9f753a37 ("mm: fix races between swapoff and flush dcache") Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Greentime Hu <green.hu@gmail.com> Cc: Huang Ying <ying.huang@intel.com> Cc: Nick Hu <nickhu@andestech.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2021-04-09 14:54:23 -07:00
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kernel	io_uring-worker.v3-2021-02-25	2021-02-27 08:29:02 -08:00
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mm	nds32: flush_dcache_page: use page_mapping_file to avoid races with swapoff	2021-04-09 14:54:23 -07:00
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