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cacheflush.h

#ifndef _S390_CACHEFLUSH_H
#define _S390_CACHEFLUSH_H

/* Keep includes the same across arches.  */
#include <linux/mm.h>

/* Caches aren't brain-dead on the s390. */
#define flush_cache_all()                 do { } while (0)
#define flush_cache_mm(mm)                do { } while (0)
#define flush_cache_dup_mm(mm)                  do { } while (0)
#define flush_cache_range(vma, start, end)      do { } while (0)
#define flush_cache_page(vma, vmaddr, pfn)      do { } while (0)
#define flush_dcache_page(page)                 do { } while (0)
#define flush_dcache_mmap_lock(mapping)         do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_icache_range(start, end)          do { } while (0)
#define flush_icache_page(vma,pg)         do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define flush_cache_vmap(start, end)            do { } while (0)
#define flush_cache_vunmap(start, end)          do { } while (0)

#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
      memcpy(dst, src, len)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
      memcpy(dst, src, len)

#ifdef CONFIG_DEBUG_PAGEALLOC
void kernel_map_pages(struct page *page, int numpages, int enable);
#endif

#endif /* _S390_CACHEFLUSH_H */

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