1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _CRIS_PGALLOC_H
3 #define _CRIS_PGALLOC_H
5 #include <linux/threads.h>
8 #define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, pte)
9 #define pmd_populate(mm, pmd, pte) pmd_set(pmd, page_address(pte))
10 #define pmd_pgtable(pmd) pmd_page(pmd)
13 * Allocate and free page tables.
16 static inline pgd_t
*pgd_alloc (struct mm_struct
*mm
)
18 return (pgd_t
*)get_zeroed_page(GFP_KERNEL
);
21 static inline void pgd_free(struct mm_struct
*mm
, pgd_t
*pgd
)
23 free_page((unsigned long)pgd
);
26 static inline pte_t
*pte_alloc_one_kernel(struct mm_struct
*mm
, unsigned long address
)
28 pte_t
*pte
= (pte_t
*)__get_free_page(GFP_KERNEL
|__GFP_ZERO
);
32 static inline pgtable_t
pte_alloc_one(struct mm_struct
*mm
, unsigned long address
)
35 pte
= alloc_pages(GFP_KERNEL
|__GFP_ZERO
, 0);
38 if (!pgtable_page_ctor(pte
)) {
45 static inline void pte_free_kernel(struct mm_struct
*mm
, pte_t
*pte
)
47 free_page((unsigned long)pte
);
50 static inline void pte_free(struct mm_struct
*mm
, pgtable_t pte
)
52 pgtable_page_dtor(pte
);
56 #define __pte_free_tlb(tlb,pte,address) \
58 pgtable_page_dtor(pte); \
59 tlb_remove_page((tlb), pte); \
62 #define check_pgt_cache() do { } while (0)