mm.h 1.0 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef _TOOLS_LINUX_MM_H
  3. #define _TOOLS_LINUX_MM_H
  4. #include <linux/align.h>
  5. #include <linux/mmzone.h>
  6. #include <linux/sizes.h>
  7. #define PAGE_SHIFT 12
  8. #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
  9. #define PAGE_MASK (~(PAGE_SIZE - 1))
  10. #define PHYS_ADDR_MAX (~(phys_addr_t)0)
  11. #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
  12. #define PAGE_ALIGN_DOWN(addr) ALIGN_DOWN(addr, PAGE_SIZE)
  13. #define __va(x) ((void *)((unsigned long)(x)))
  14. #define __pa(x) ((unsigned long)(x))
  15. #define pfn_to_page(pfn) ((void *)((pfn) * PAGE_SIZE))
  16. #define phys_to_virt phys_to_virt
  17. static inline void *phys_to_virt(unsigned long address)
  18. {
  19. return __va(address);
  20. }
  21. #define virt_to_phys virt_to_phys
  22. static inline phys_addr_t virt_to_phys(volatile void *address)
  23. {
  24. return (phys_addr_t)address;
  25. }
  26. void reserve_bootmem_region(phys_addr_t start, phys_addr_t end, int nid);
  27. static inline void totalram_pages_inc(void)
  28. {
  29. }
  30. static inline void totalram_pages_add(long count)
  31. {
  32. }
  33. static inline int early_pfn_to_nid(unsigned long pfn)
  34. {
  35. return 0;
  36. }
  37. #endif