LXR linux/arch/s390/include/asm/cacheflush.h

   1#ifndef _S390_CACHEFLUSH_H
   2#define _S390_CACHEFLUSH_H
   3
   4/* Keep includes the same across arches.  */
   5#include <linux/mm.h>
   6
   7/* Caches aren't brain-dead on the s390. */
   8#define flush_cache_all()                       do { } while (0)
   9#define flush_cache_mm(mm)                      do { } while (0)
  10#define flush_cache_dup_mm(mm)                  do { } while (0)
  11#define flush_cache_range(vma, start, end)      do { } while (0)
  12#define flush_cache_page(vma, vmaddr, pfn)      do { } while (0)
  13#define flush_dcache_page(page)                 do { } while (0)
  14#define flush_dcache_mmap_lock(mapping)         do { } while (0)
  15#define flush_dcache_mmap_unlock(mapping)       do { } while (0)
  16#define flush_icache_range(start, end)          do { } while (0)
  17#define flush_icache_page(vma,pg)               do { } while (0)
  18#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
  19#define flush_cache_vmap(start, end)            do { } while (0)
  20#define flush_cache_vunmap(start, end)          do { } while (0)
  21
  22#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
  23        memcpy(dst, src, len)
  24#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
  25        memcpy(dst, src, len)
  26
  27#ifdef CONFIG_DEBUG_PAGEALLOC
  28void kernel_map_pages(struct page *page, int numpages, int enable);
  29#endif
  30
  31#endif /* _S390_CACHEFLUSH_H */
  32