LXR linux/arch/x86/include/asm/pat.h

   1#ifndef _ASM_X86_PAT_H
   2#define _ASM_X86_PAT_H
   3
   4#include <linux/types.h>
   5#include <asm/pgtable_types.h>
   6
   7bool pat_enabled(void);
   8void pat_disable(const char *reason);
   9extern void pat_init(void);
  10
  11extern int reserve_memtype(u64 start, u64 end,
  12                enum page_cache_mode req_pcm, enum page_cache_mode *ret_pcm);
  13extern int free_memtype(u64 start, u64 end);
  14
  15extern int kernel_map_sync_memtype(u64 base, unsigned long size,
  16                enum page_cache_mode pcm);
  17
  18int io_reserve_memtype(resource_size_t start, resource_size_t end,
  19                        enum page_cache_mode *pcm);
  20
  21void io_free_memtype(resource_size_t start, resource_size_t end);
  22
  23#endif /* _ASM_X86_PAT_H */
  24