18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci#ifndef _ASM_POWERPC_PGALLOC_32_H 38c2ecf20Sopenharmony_ci#define _ASM_POWERPC_PGALLOC_32_H 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci#include <linux/threads.h> 68c2ecf20Sopenharmony_ci#include <linux/slab.h> 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci/* 98c2ecf20Sopenharmony_ci * We don't have any real pmd's, and this code never triggers because 108c2ecf20Sopenharmony_ci * the pgd will always be present.. 118c2ecf20Sopenharmony_ci */ 128c2ecf20Sopenharmony_ci/* #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) */ 138c2ecf20Sopenharmony_ci#define pmd_free(mm, x) do { } while (0) 148c2ecf20Sopenharmony_ci#define __pmd_free_tlb(tlb,x,a) do { } while (0) 158c2ecf20Sopenharmony_ci/* #define pgd_populate(mm, pmd, pte) BUG() */ 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_cistatic inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp, 188c2ecf20Sopenharmony_ci pte_t *pte) 198c2ecf20Sopenharmony_ci{ 208c2ecf20Sopenharmony_ci if (IS_ENABLED(CONFIG_BOOKE)) 218c2ecf20Sopenharmony_ci *pmdp = __pmd((unsigned long)pte | _PMD_PRESENT); 228c2ecf20Sopenharmony_ci else 238c2ecf20Sopenharmony_ci *pmdp = __pmd(__pa(pte) | _PMD_PRESENT); 248c2ecf20Sopenharmony_ci} 258c2ecf20Sopenharmony_ci 268c2ecf20Sopenharmony_cistatic inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp, 278c2ecf20Sopenharmony_ci pgtable_t pte_page) 288c2ecf20Sopenharmony_ci{ 298c2ecf20Sopenharmony_ci if (IS_ENABLED(CONFIG_BOOKE)) 308c2ecf20Sopenharmony_ci *pmdp = __pmd((unsigned long)pte_page | _PMD_PRESENT); 318c2ecf20Sopenharmony_ci else 328c2ecf20Sopenharmony_ci *pmdp = __pmd(__pa(pte_page) | _PMD_USER | _PMD_PRESENT); 338c2ecf20Sopenharmony_ci} 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci#endif /* _ASM_POWERPC_PGALLOC_32_H */ 36