diff options
Diffstat (limited to 'arch/sparc/include/asm/pgalloc_64.h')
-rw-r--r-- | arch/sparc/include/asm/pgalloc_64.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h new file mode 100644 index 000000000000..5bdfa2c6e400 --- /dev/null +++ b/arch/sparc/include/asm/pgalloc_64.h @@ -0,0 +1,81 @@ +#ifndef _SPARC64_PGALLOC_H +#define _SPARC64_PGALLOC_H + +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/quicklist.h> + +#include <asm/spitfire.h> +#include <asm/cpudata.h> +#include <asm/cacheflush.h> +#include <asm/page.h> + +/* Page table allocation/freeing. */ + +static inline pgd_t *pgd_alloc(struct mm_struct *mm) +{ + return quicklist_alloc(0, GFP_KERNEL, NULL); +} + +static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) +{ + quicklist_free(0, NULL, pgd); +} + +#define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD) + +static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) +{ + return quicklist_alloc(0, GFP_KERNEL, NULL); +} + +static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) +{ + quicklist_free(0, NULL, pmd); +} + +static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, + unsigned long address) +{ + return quicklist_alloc(0, GFP_KERNEL, NULL); +} + +static inline pgtable_t pte_alloc_one(struct mm_struct *mm, + unsigned long address) +{ + struct page *page; + void *pg; + + pg = quicklist_alloc(0, GFP_KERNEL, NULL); + if (!pg) + return NULL; + page = virt_to_page(pg); + pgtable_page_ctor(page); + return page; +} + +static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) +{ + quicklist_free(0, NULL, pte); +} + +static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) +{ + pgtable_page_dtor(ptepage); + quicklist_free_page(0, NULL, ptepage); +} + + +#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE) +#define pmd_populate(MM,PMD,PTE_PAGE) \ + pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE)) +#define pmd_pgtable(pmd) pmd_page(pmd) + +static inline void check_pgt_cache(void) +{ + quicklist_trim(0, NULL, 25, 16); +} + +#endif /* _SPARC64_PGALLOC_H */ |