Skip to content
Snippets Groups Projects
Select Git revision
  • 9702785a747aa27baf46ff504beab6528f21f2dd
  • vme-testing default
  • ci-test
  • master
  • remoteproc
  • am625-sk-ov5640
  • pcal6534-upstreaming
  • lps22df-upstreaming
  • msc-upstreaming
  • imx8mp
  • iio/noa1305
  • vme-next
  • vme-next-4.14-rc4
  • v4.14-rc4
  • v4.14-rc3
  • v4.14-rc2
  • v4.14-rc1
  • v4.13
  • vme-next-4.13-rc7
  • v4.13-rc7
  • v4.13-rc6
  • v4.13-rc5
  • v4.13-rc4
  • v4.13-rc3
  • v4.13-rc2
  • v4.13-rc1
  • v4.12
  • v4.12-rc7
  • v4.12-rc6
  • v4.12-rc5
  • v4.12-rc4
  • v4.12-rc3
32 results

time.c

Blame
  • motorola_pgalloc.h 2.22 KiB
    /* SPDX-License-Identifier: GPL-2.0 */
    #ifndef _MOTOROLA_PGALLOC_H
    #define _MOTOROLA_PGALLOC_H
    
    #include <asm/tlb.h>
    #include <asm/tlbflush.h>
    
    extern pmd_t *get_pointer_table(void);
    extern int free_pointer_table(pmd_t *);
    
    static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
    {
    	pte_t *pte;
    
    	pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
    	if (pte) {
    		__flush_page_to_ram(pte);
    		flush_tlb_kernel_page(pte);
    		nocache_page(pte);
    	}
    
    	return pte;
    }
    
    static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
    {
    	cache_page(pte);
    	free_page((unsigned long) pte);
    }
    
    static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
    {
    	struct page *page;
    	pte_t *pte;
    
    	page = alloc_pages(GFP_KERNEL|__GFP_ZERO, 0);
    	if(!page)
    		return NULL;
    	if (!pgtable_pte_page_ctor(page)) {
    		__free_page(page);
    		return NULL;
    	}
    
    	pte = kmap(page);
    	__flush_page_to_ram(pte);
    	flush_tlb_kernel_page(pte);
    	nocache_page(pte);
    	kunmap(page);
    	return page;
    }
    
    static inline void pte_free(struct mm_struct *mm, pgtable_t page)
    {
    	pgtable_pte_page_dtor(page);
    	cache_page(kmap(page));
    	kunmap(page);
    	__free_page(page);
    }
    
    static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t page,
    				  unsigned long address)
    {
    	pgtable_pte_page_dtor(page);
    	cache_page(kmap(page));
    	kunmap(page);
    	__free_page(page);
    }
    
    
    static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
    {
    	return get_pointer_table();
    }
    
    static inline int pmd_free(struct mm_struct *mm, pmd_t *pmd)
    {
    	return free_pointer_table(pmd);
    }
    
    static inline int __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
    				 unsigned long address)
    {
    	return free_pointer_table(pmd);
    }
    
    
    static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
    {
    	pmd_free(mm, (pmd_t *)pgd);
    }
    
    static inline pgd_t *pgd_alloc(struct mm_struct *mm)
    {
    	return (pgd_t *)get_pointer_table();
    }
    
    
    static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
    {
    	pmd_set(pmd, pte);
    }
    
    static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t page)
    {
    	pmd_set(pmd, page_address(page));
    }
    #define pmd_pgtable(pmd) pmd_page(pmd)
    
    static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
    {
    	pud_set(pud, pmd);
    }
    
    #endif /* _MOTOROLA_PGALLOC_H */