include/linux/cacheflush.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX_CACHEFLUSH_H
   3 #define _LINUX_CACHEFLUSH_H
   4
   5 #include <asm/cacheflush.h>
   6
   7 #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
   8 #ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO
   9 void flush_dcache_folio(struct folio *folio);
  10 #endif
  11 #else
  12 static inline void flush_dcache_folio(struct folio *folio)
  13 {
  14 }
  15 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO 0
  16 #endif /* ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE */
  17
  18 #endif /* _LINUX_CACHEFLUSH_H */