1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __ASM_SH_PGALLOC_H
 3#define __ASM_SH_PGALLOC_H
 4
 
 5#include <asm/page.h>
 
 
 
 
 6#include <asm-generic/pgalloc.h>
 7
 8extern pgd_t *pgd_alloc(struct mm_struct *);
 9extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
10
11#if PAGETABLE_LEVELS > 2
12extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
13extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);
14extern void pmd_free(struct mm_struct *mm, pmd_t *pmd);
 
15#endif
16
17static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
18				       pte_t *pte)
19{
20	set_pmd(pmd, __pmd((unsigned long)pte));
21}
22
23static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
24				pgtable_t pte)
25{
26	set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
27}
28#define pmd_pgtable(pmd) pmd_page(pmd)
29
30#define __pte_free_tlb(tlb,pte,addr)			\
31do {							\
32	pgtable_pte_page_dtor(pte);			\
33	tlb_remove_page((tlb), (pte));			\
34} while (0)
35
36#if CONFIG_PGTABLE_LEVELS > 2
37#define __pmd_free_tlb(tlb, pmdp, addr)			\
38do {							\
39	struct page *page = virt_to_page(pmdp);		\
40	pgtable_pmd_page_dtor(page);			\
41	tlb_remove_page((tlb), page);			\
42} while (0);
43#endif
44
45#endif /* __ASM_SH_PGALLOC_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __ASM_SH_PGALLOC_H
 3#define __ASM_SH_PGALLOC_H
 4
 5#include <linux/mm.h>
 6#include <asm/page.h>
 7
 8#define __HAVE_ARCH_PMD_ALLOC_ONE
 9#define __HAVE_ARCH_PMD_FREE
10#define __HAVE_ARCH_PGD_FREE
11#include <asm-generic/pgalloc.h>
12
13extern pgd_t *pgd_alloc(struct mm_struct *);
14extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
15
16#if PAGETABLE_LEVELS > 2
17extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
18extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);
19extern void pmd_free(struct mm_struct *mm, pmd_t *pmd);
20#define __pmd_free_tlb(tlb, pmdp, addr)		pmd_free((tlb)->mm, (pmdp))
21#endif
22
23static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
24				       pte_t *pte)
25{
26	set_pmd(pmd, __pmd((unsigned long)pte));
27}
28
29static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
30				pgtable_t pte)
31{
32	set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
33}
 
34
35#define __pte_free_tlb(tlb, pte, addr)				\
36do {								\
37	pagetable_pte_dtor(page_ptdesc(pte));			\
38	tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte)));	\
39} while (0)
 
 
 
 
 
 
 
 
 
40
41#endif /* __ASM_SH_PGALLOC_H */