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 */
36