2026-01-21 18:59:54 +08:00

45 lines
987 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_SW64_PGALLOC_H
#define _ASM_SW64_PGALLOC_H
#include <linux/mm.h>
#include <linux/mmzone.h>
#include <asm-generic/pgalloc.h> /* for pte_{alloc,free}_one */
/*
* Allocate and free page tables. The xxx_kernel() versions are
* used to allocate a kernel page table - this turns on ASN bits
* if any.
*/
static inline void
pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte)
{
pmd_set(pmd, (pte_t *)(page_to_pa(pte) + PAGE_OFFSET));
}
#define pmd_pgtable(pmd) pmd_page(pmd)
static inline void
pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
{
pmd_set(pmd, pte);
}
static inline void
p4d_populate(struct mm_struct *mm, p4d_t *p4d, pud_t *pud)
{
p4d_set(p4d, pud);
}
static inline void
pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
{
pud_set(pud, pmd);
}
extern pgd_t *pgd_alloc(struct mm_struct *mm);
#define check_pgt_cache() do { } while (0)
#endif /* _ASM_SW64_PGALLOC_H */