cregit-Linux how code gets into the kernel

Release 4.10 arch/m32r/include/asm/pgalloc.h

#ifndef _ASM_M32R_PGALLOC_H

#define _ASM_M32R_PGALLOC_H

#include <linux/mm.h>

#include <asm/io.h>


#define pmd_populate_kernel(mm, pmd, pte)	\
	set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte)))


static __inline__ void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte) { set_pmd(pmd, __pmd(_PAGE_TABLE + page_to_phys(pte))); }

Contributors

PersonTokensPropCommitsCommitProp
hirokazu takata*hirokazu takata*3397.06%150.00%
martin schwidefskymartin schwidefsky12.94%150.00%
Total34100.00%2100.00%

#define pmd_pgtable(pmd) pmd_page(pmd) /* * Allocate and free page tables. */
static __inline__ pgd_t *pgd_alloc(struct mm_struct *mm) { pgd_t *pgd = (pgd_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO); return pgd; }

Contributors

PersonTokensPropCommitsCommitProp
hirokazu takata*hirokazu takata*2993.55%150.00%
christoph lameterchristoph lameter26.45%150.00%
Total31100.00%2100.00%


static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { free_page((unsigned long)pgd); }

Contributors

PersonTokensPropCommitsCommitProp
hirokazu takata*hirokazu takata*1976.00%150.00%
benjamin herrenschmidtbenjamin herrenschmidt624.00%150.00%
Total25100.00%2100.00%


static __inline__ pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO); return pte; }

Contributors

PersonTokensPropCommitsCommitProp
hirokazu takata*hirokazu takata*3394.29%150.00%
christoph lameterchristoph lameter25.71%150.00%
Total35100.00%2100.00%


static __inline__ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) { struct page *pte = alloc_page(GFP_KERNEL|__GFP_ZERO); if (!pte) return NULL; if (!pgtable_page_ctor(pte)) { __free_page(pte); return NULL; } return pte; }

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PersonTokensPropCommitsCommitProp
kirill a. shutemovkirill a. shutemov2136.84%240.00%
martin schwidefskymartin schwidefsky2136.84%120.00%
hirokazu takata*hirokazu takata*1221.05%120.00%
christoph lameterchristoph lameter35.26%120.00%
Total57100.00%5100.00%


static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { free_page((unsigned long)pte); }

Contributors

PersonTokensPropCommitsCommitProp
hirokazu takata*hirokazu takata*1872.00%133.33%
benjamin herrenschmidtbenjamin herrenschmidt624.00%133.33%
christoph lameterchristoph lameter14.00%133.33%
Total25100.00%3100.00%


static inline void pte_free(struct mm_struct *mm, pgtable_t pte) { pgtable_page_dtor(pte); __free_page(pte); }

Contributors

PersonTokensPropCommitsCommitProp
hirokazu takata*hirokazu takata*1456.00%133.33%
martin schwidefskymartin schwidefsky624.00%133.33%
benjamin herrenschmidtbenjamin herrenschmidt520.00%133.33%
Total25100.00%3100.00%

#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte)) /* * allocating and freeing a pmd is trivial: the 1-entry pmd is * inside the pgd, so has no extra memory associated with it. * (In the PAE case we free the pmds as part of the pgd.) */ #define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); }) #define pmd_free(mm, x) do { } while (0) #define __pmd_free_tlb(tlb, x, addr) do { } while (0) #define pgd_populate(mm, pmd, pte) BUG() #define check_pgt_cache() do { } while (0) #endif /* _ASM_M32R_PGALLOC_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
hirokazu takata*hirokazu takata*23672.84%114.29%
martin schwidefskymartin schwidefsky3510.80%114.29%
benjamin herrenschmidtbenjamin herrenschmidt247.41%228.57%
kirill a. shutemovkirill a. shutemov216.48%228.57%
christoph lameterchristoph lameter82.47%114.29%
Total324100.00%7100.00%
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