mirror of https://gitee.com/openkylin/linux.git
85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
#ifndef _SPARC64_PGALLOC_H
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#define _SPARC64_PGALLOC_H
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/mm.h>
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#include <linux/slab.h>
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#include <linux/quicklist.h>
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#include <asm/spitfire.h>
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#include <asm/cpudata.h>
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#include <asm/cacheflush.h>
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#include <asm/page.h>
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/* Page table allocation/freeing. */
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static inline pgd_t *pgd_alloc(struct mm_struct *mm)
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{
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return quicklist_alloc(0, GFP_KERNEL, NULL);
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}
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static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
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{
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quicklist_free(0, NULL, pgd);
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}
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#define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD)
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static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
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{
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return quicklist_alloc(0, GFP_KERNEL, NULL);
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}
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static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
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{
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quicklist_free(0, NULL, pmd);
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}
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static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
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unsigned long address)
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{
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return quicklist_alloc(0, GFP_KERNEL, NULL);
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}
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static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
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unsigned long address)
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{
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struct page *page;
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void *pg;
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pg = quicklist_alloc(0, GFP_KERNEL, NULL);
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if (!pg)
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return NULL;
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page = virt_to_page(pg);
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pgtable_page_ctor(page);
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return page;
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}
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static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
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{
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quicklist_free(0, NULL, pte);
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}
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static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
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{
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pgtable_page_dtor(ptepage);
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quicklist_free_page(0, NULL, ptepage);
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}
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#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
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#define pmd_populate(MM,PMD,PTE_PAGE) \
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pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE))
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#define pmd_pgtable(pmd) pmd_page(pmd)
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static inline void check_pgt_cache(void)
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{
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quicklist_trim(0, NULL, 25, 16);
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}
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#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte)
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#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd)
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#endif /* _SPARC64_PGALLOC_H */
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