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30d024b505
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: Guenter Roeck <linux@roeck-us.net>
Fixes: 522a0032af ("Add linux/cacheflush.h")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
20 lines
469 B
C
20 lines
469 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_CACHEFLUSH_H
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#define _LINUX_CACHEFLUSH_H
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#include <asm/cacheflush.h>
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struct folio;
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#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
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#ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO
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void flush_dcache_folio(struct folio *folio);
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#endif
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#else
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static inline void flush_dcache_folio(struct folio *folio)
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{
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}
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#define ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO 0
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#endif /* ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE */
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#endif /* _LINUX_CACHEFLUSH_H */
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