pgalloc.h 1.0 KB

1234567891011121314151617181920212223242526272829303132333435363738394041
  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * Copyright (C) 2008-2009 Michal Simek <[email protected]>
  4. * Copyright (C) 2008-2009 PetaLogix
  5. * Copyright (C) 2006 Atmark Techno, Inc.
  6. */
  7. #ifndef _ASM_MICROBLAZE_PGALLOC_H
  8. #define _ASM_MICROBLAZE_PGALLOC_H
  9. #include <linux/kernel.h> /* For min/max macros */
  10. #include <linux/highmem.h>
  11. #include <linux/pgtable.h>
  12. #include <asm/setup.h>
  13. #include <asm/io.h>
  14. #include <asm/page.h>
  15. #include <asm/cache.h>
  16. #define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL
  17. #include <asm-generic/pgalloc.h>
  18. extern void __bad_pte(pmd_t *pmd);
  19. static inline pgd_t *get_pgd(void)
  20. {
  21. return (pgd_t *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, 0);
  22. }
  23. #define pgd_alloc(mm) get_pgd()
  24. extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
  25. #define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte))
  26. #define pmd_populate(mm, pmd, pte) \
  27. (pmd_val(*(pmd)) = (unsigned long)page_address(pte))
  28. #define pmd_populate_kernel(mm, pmd, pte) \
  29. (pmd_val(*(pmd)) = (unsigned long) (pte))
  30. #endif /* _ASM_MICROBLAZE_PGALLOC_H */