Release 4.8 arch/powerpc/include/asm/nohash/32/pgalloc.h
#ifndef _ASM_POWERPC_PGALLOC_32_H
#define _ASM_POWERPC_PGALLOC_32_H
#include <linux/threads.h>
/* For 32-bit, all levels of page tables are just drawn from get_free_page() */
#define MAX_PGTABLE_INDEX_SIZE 0
extern void __bad_pte(pmd_t *pmd);
extern pgd_t *pgd_alloc(struct mm_struct *mm);
extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
/*
* We don't have any real pmd's, and this code never triggers because
* the pgd will always be present..
*/
/* #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) */
#define pmd_free(mm, x) do { } while (0)
#define __pmd_free_tlb(tlb,x,a) do { } while (0)
/* #define pgd_populate(mm, pmd, pte) BUG() */
#ifndef CONFIG_BOOKE
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp,
pte_t *pte)
{
*pmdp = __pmd(__pa(pte) | _PMD_PRESENT);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| aneesh kumar | aneesh kumar | 26 | 78.79% | 1 | 50.00% |
| david gibson | david gibson | 7 | 21.21% | 1 | 50.00% |
| Total | 33 | 100.00% | 2 | 100.00% |
static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp,
pgtable_t pte_page)
{
*pmdp = __pmd((page_to_pfn(pte_page) << PAGE_SHIFT) | _PMD_PRESENT);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| aneesh kumar | aneesh kumar | 30 | 83.33% | 1 | 50.00% |
| david gibson | david gibson | 6 | 16.67% | 1 | 50.00% |
| Total | 36 | 100.00% | 2 | 100.00% |
#define pmd_pgtable(pmd) pmd_page(pmd)
#else
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp,
pte_t *pte)
{
*pmdp = __pmd((unsigned long)pte | _PMD_PRESENT);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| aneesh kumar | aneesh kumar | 27 | 79.41% | 1 | 50.00% |
| david gibson | david gibson | 7 | 20.59% | 1 | 50.00% |
| Total | 34 | 100.00% | 2 | 100.00% |
static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp,
pgtable_t pte_page)
{
*pmdp = __pmd((unsigned long)lowmem_page_address(pte_page) | _PMD_PRESENT);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| aneesh kumar | aneesh kumar | 30 | 83.33% | 1 | 50.00% |
| david gibson | david gibson | 6 | 16.67% | 1 | 50.00% |
| Total | 36 | 100.00% | 2 | 100.00% |
#define pmd_pgtable(pmd) pmd_page(pmd)
#endif
extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
extern pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr);
static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
{
free_page((unsigned long)pte);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| aneesh kumar | aneesh kumar | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
{
pgtable_page_dtor(ptepage);
__free_page(ptepage);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| aneesh kumar | aneesh kumar | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
static inline void pgtable_free(void *table, unsigned index_size)
{
BUG_ON(index_size); /* 32-bit doesn't use this */
free_page((unsigned long)table);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| david gibson | david gibson | 16 | 55.17% | 2 | 50.00% |
| kumar gala | kumar gala | 12 | 41.38% | 1 | 25.00% |
| benjamin herrenschmidt | benjamin herrenschmidt | 1 | 3.45% | 1 | 25.00% |
| Total | 29 | 100.00% | 4 | 100.00% |
#define check_pgt_cache() do { } while (0)
#ifdef CONFIG_SMP
static inline void pgtable_free_tlb(struct mmu_gather *tlb,
void *table, int shift)
{
unsigned long pgf = (unsigned long)table;
BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE);
pgf |= shift;
tlb_remove_table(tlb, (void *)pgf);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| aneesh kumar | aneesh kumar | 51 | 100.00% | 1 | 100.00% |
| Total | 51 | 100.00% | 1 | 100.00% |
static inline void __tlb_remove_table(void *_table)
{
void *table = (void *)((unsigned long)_table & ~MAX_PGTABLE_INDEX_SIZE);
unsigned shift = (unsigned long)_table & MAX_PGTABLE_INDEX_SIZE;
pgtable_free(table, shift);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| aneesh kumar | aneesh kumar | 48 | 100.00% | 1 | 100.00% |
| Total | 48 | 100.00% | 1 | 100.00% |
#else
static inline void pgtable_free_tlb(struct mmu_gather *tlb,
void *table, int shift)
{
pgtable_free(table, shift);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| aneesh kumar | aneesh kumar | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
#endif
static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
unsigned long address)
{
tlb_flush_pgtable(tlb, address);
pgtable_page_dtor(table);
pgtable_free_tlb(tlb, page_address(table), 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| aneesh kumar | aneesh kumar | 38 | 88.37% | 1 | 50.00% |
| hong h. pham | hong h. pham | 5 | 11.63% | 1 | 50.00% |
| Total | 43 | 100.00% | 2 | 100.00% |
#endif /* _ASM_POWERPC_PGALLOC_32_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| aneesh kumar | aneesh kumar | 333 | 63.79% | 2 | 20.00% |
| david gibson | david gibson | 144 | 27.59% | 3 | 30.00% |
| martin schwidefsky | martin schwidefsky | 15 | 2.87% | 1 | 10.00% |
| kumar gala | kumar gala | 15 | 2.87% | 1 | 10.00% |
| benjamin herrenschmidt | benjamin herrenschmidt | 10 | 1.92% | 2 | 20.00% |
| hong h. pham | hong h. pham | 5 | 0.96% | 1 | 10.00% |
| Total | 522 | 100.00% | 10 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.