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 struct folio;
   8
   9 #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
  10 #ifndef flush_dcache_folio
  11 void flush_dcache_folio(struct folio *folio);
  12 #endif
  13 #else
  14 static inline void flush_dcache_folio(struct folio *folio)
  15 {
  16 }
  17 #define flush_dcache_folio flush_dcache_folio
  18 #endif /* ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE */
  19
  20 #ifndef flush_icache_pages
  21 static inline void flush_icache_pages(struct vm_area_struct *vma,
  22                                      struct page *page, unsigned int nr)
  23 {
  24 }
  25 #endif
  26
  27 #define flush_icache_page(vma, page)    flush_icache_pages(vma, page, 1)
  28
  29 #endif /* _LINUX_CACHEFLUSH_H */