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由 Herbert Xu 提交于
The struct folio is not declared in cacheflush.h so we need to provide a forward declaration as otherwise users of this header file may get warnings. Reported-by: NGuenter Roeck <linux@roeck-us.net> Fixes: 522a0032 ("Add linux/cacheflush.h") Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au> Reviewed-by: NMatthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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