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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_PGALLOC_H #define _SPARC_PGALLOC_H #include <linux/kernel.h> #include <linux/sched.h> #include <linux/pgtable.h> #include <asm/pgtsrmmu.h> #include <asm/vaddrs.h> #include <asm/page.h> struct page; void *srmmu_get_nocache(int size, int align); void srmmu_free_nocache(void *addr, int size); extern struct resource sparc_iomap; pgd_t *get_pgd_fast(void); static inline void free_pgd_fast(pgd_t *pgd) { srmmu_free_nocache(pgd, SRMMU_PGD_TABLE_SIZE); } #define pgd_free(mm, pgd) free_pgd_fast(pgd) #define pgd_alloc(mm) get_pgd_fast() static inline void pud_set(pud_t * pudp, pmd_t * pmdp) { unsigned long pa = __nocache_pa(pmdp); set_pte((pte_t *)pudp, __pte((SRMMU_ET_PTD | (pa >> 4)))); } #define pud_populate(MM, PGD, PMD) pud_set(PGD, PMD) static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) { return srmmu_get_nocache(SRMMU_PMD_TABLE_SIZE, SRMMU_PMD_TABLE_SIZE); } static inline void free_pmd_fast(pmd_t * pmd) { srmmu_free_nocache(pmd, SRMMU_PMD_TABLE_SIZE); } #define pmd_free(mm, pmd) free_pmd_fast(pmd) #define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd) #define pmd_populate(mm, pmd, pte) pmd_set(pmd, pte) void pmd_set(pmd_t *pmdp, pte_t *ptep); #define pmd_populate_kernel pmd_populate pgtable_t pte_alloc_one(struct mm_struct *mm); static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm) { return srmmu_get_nocache(SRMMU_PTE_TABLE_SIZE, SRMMU_PTE_TABLE_SIZE); } static inline void free_pte_fast(pte_t *pte) { srmmu_free_nocache(pte, SRMMU_PTE_TABLE_SIZE); } #define pte_free_kernel(mm, pte) free_pte_fast(pte) void pte_free(struct mm_struct * mm, pgtable_t pte); #define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte) #endif /* _SPARC_PGALLOC_H */