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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_POWERPC_PGALLOC_32_H
3#define _ASM_POWERPC_PGALLOC_32_H
4
5#include <linux/threads.h>
6#include <linux/slab.h>
7
8/*
9 * We don't have any real pmd's, and this code never triggers because
10 * the pgd will always be present..
11 */
12/* #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) */
13#define pmd_free(mm, x) do { } while (0)
14#define __pmd_free_tlb(tlb,x,a) do { } while (0)
15/* #define pgd_populate(mm, pmd, pte) BUG() */
16
17static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp,
18 pte_t *pte)
19{
20 if (IS_ENABLED(CONFIG_BOOKE))
21 *pmdp = __pmd((unsigned long)pte | _PMD_PRESENT);
22 else
23 *pmdp = __pmd(__pa(pte) | _PMD_PRESENT);
24}
25
26static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp,
27 pgtable_t pte_page)
28{
29 if (IS_ENABLED(CONFIG_BOOKE))
30 *pmdp = __pmd((unsigned long)pte_page | _PMD_PRESENT);
31 else
32 *pmdp = __pmd(__pa(pte_page) | _PMD_USER | _PMD_PRESENT);
33}
34
35#endif /* _ASM_POWERPC_PGALLOC_32_H */