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35 lines
1015 B
35 lines
1015 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _ASM_POWERPC_PGALLOC_32_H |
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#define _ASM_POWERPC_PGALLOC_32_H |
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#include <linux/threads.h> |
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#include <linux/slab.h> |
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/* |
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* We don't have any real pmd's, and this code never triggers because |
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* the pgd will always be present.. |
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*/ |
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/* #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) */ |
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#define pmd_free(mm, x) do { } while (0) |
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#define __pmd_free_tlb(tlb,x,a) do { } while (0) |
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/* #define pgd_populate(mm, pmd, pte) BUG() */ |
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static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp, |
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pte_t *pte) |
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{ |
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if (IS_ENABLED(CONFIG_BOOKE)) |
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*pmdp = __pmd((unsigned long)pte | _PMD_PRESENT); |
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else |
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*pmdp = __pmd(__pa(pte) | _PMD_PRESENT); |
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} |
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static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp, |
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pgtable_t pte_page) |
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{ |
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if (IS_ENABLED(CONFIG_BOOKE)) |
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*pmdp = __pmd((unsigned long)pte_page | _PMD_PRESENT); |
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else |
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*pmdp = __pmd(__pa(pte_page) | _PMD_USER | _PMD_PRESENT); |
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} |
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#endif /* _ASM_POWERPC_PGALLOC_32_H */
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