diff options
| -rw-r--r-- | arch/sh64/Kconfig | 3 | ||||
| -rw-r--r-- | arch/sh64/mm/init.c | 2 | ||||
| -rw-r--r-- | include/asm-sh64/pgalloc.h | 100 | ||||
| -rw-r--r-- | mm/Kconfig | 2 |
4 files changed, 28 insertions, 79 deletions
diff --git a/arch/sh64/Kconfig b/arch/sh64/Kconfig index e14b533558c..ff654204b7d 100644 --- a/arch/sh64/Kconfig +++ b/arch/sh64/Kconfig @@ -17,6 +17,9 @@ config MMU bool default y +config QUICKLIST + def_bool y + config RWSEM_GENERIC_SPINLOCK bool default y diff --git a/arch/sh64/mm/init.c b/arch/sh64/mm/init.c index 5dc08787259..559717f30d1 100644 --- a/arch/sh64/mm/init.c +++ b/arch/sh64/mm/init.c @@ -84,7 +84,7 @@ void show_mem(void) printk("%d reserved pages\n",reserved); printk("%d pages shared\n",shared); printk("%d pages swap cached\n",cached); - printk("%ld pages in page table cache\n",pgtable_cache_size); + printk("%ld pages in page table cache\n", quicklist_total_size()); } /* diff --git a/include/asm-sh64/pgalloc.h b/include/asm-sh64/pgalloc.h index cb803e56cb6..6eccab770a6 100644 --- a/include/asm-sh64/pgalloc.h +++ b/include/asm-sh64/pgalloc.h @@ -14,13 +14,9 @@ * */ -#include <linux/threads.h> #include <linux/mm.h> - -#define pgd_quicklist (current_cpu_data.pgd_quick) -#define pmd_quicklist (current_cpu_data.pmd_quick) -#define pte_quicklist (current_cpu_data.pte_quick) -#define pgtable_cache_size (current_cpu_data.pgtable_cache_sz) +#include <linux/quicklist.h> +#include <asm/page.h> static inline void pgd_init(unsigned long page) { @@ -45,84 +41,37 @@ static inline pgd_t *get_pgd_slow(void) return ret; } -static inline pgd_t *get_pgd_fast(void) -{ - unsigned long *ret; - - if ((ret = pgd_quicklist) != NULL) { - pgd_quicklist = (unsigned long *)(*ret); - ret[0] = 0; - pgtable_cache_size--; - } else - ret = (unsigned long *)get_pgd_slow(); - - if (ret) { - memset(ret, 0, USER_PTRS_PER_PGD * sizeof(pgd_t)); - } - return (pgd_t *)ret; -} - -static inline void free_pgd_fast(pgd_t *pgd) -{ - *(unsigned long *)pgd = (unsigned long) pgd_quicklist; - pgd_quicklist = (unsigned long *) pgd; - pgtable_cache_size++; -} - -static inline void free_pgd_slow(pgd_t *pgd) +static inline pgd_t *pgd_alloc(struct mm_struct *mm) { - kfree((void *)pgd); + return quicklist_alloc(0, GFP_KERNEL, NULL); } -extern pte_t *get_pte_slow(pmd_t *pmd, unsigned long address_preadjusted); -extern pte_t *get_pte_kernel_slow(pmd_t *pmd, unsigned long address_preadjusted); - -static inline pte_t *get_pte_fast(void) +static inline void pgd_free(pgd_t *pgd) { - unsigned long *ret; - - if((ret = (unsigned long *)pte_quicklist) != NULL) { - pte_quicklist = (unsigned long *)(*ret); - ret[0] = ret[1]; - pgtable_cache_size--; - } - return (pte_t *)ret; + quicklist_free(0, NULL, pgd); } -static inline void free_pte_fast(pte_t *pte) +static inline struct page *pte_alloc_one(struct mm_struct *mm, + unsigned long address) { - *(unsigned long *)pte = (unsigned long) pte_quicklist; - pte_quicklist = (unsigned long *) pte; - pgtable_cache_size++; + void *pg = quicklist_alloc(0, GFP_KERNEL, NULL); + return pg ? virt_to_page(pg) : NULL; } static inline void pte_free_kernel(pte_t *pte) { - free_page((unsigned long)pte); + quicklist_free(0, NULL, pte); } static inline void pte_free(struct page *pte) { - __free_page(pte); + quicklist_free_page(0, NULL, pte); } static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { - pte_t *pte; - - pte = (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT|__GFP_ZERO); - - return pte; -} - -static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) -{ - struct page *pte; - - pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0); - - return pte; + return quicklist_alloc(0, GFP_KERNEL, NULL); } #define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte)) @@ -142,31 +91,23 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long add #elif defined(CONFIG_SH64_PGTABLE_3_LEVEL) -static __inline__ pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) +static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) { - pmd_t *pmd; - pmd = (pmd_t *) __get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); - return pmd; + return quicklist_alloc(0, GFP_KERNEL, NULL); } -static __inline__ void pmd_free(pmd_t *pmd) +static inline void pmd_free(pmd_t *pmd) { - free_page((unsigned long) pmd); + quicklist_free(0, NULL, pmd); } -#define pgd_populate(mm, pgd, pmd) pgd_set(pgd, pmd) +#define pgd_populate(mm, pgd, pmd) pgd_set(pgd, pmd) #define __pmd_free_tlb(tlb,pmd) pmd_free(pmd) #else #error "No defined page table size" #endif -#define check_pgt_cache() do { } while (0) -#define pgd_free(pgd) free_pgd_slow(pgd) -#define pgd_alloc(mm) get_pgd_fast() - -extern int do_check_pgt_cache(int, int); - #define pmd_populate_kernel(mm, pmd, pte) \ set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) (pte))) @@ -176,4 +117,9 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) page_address (pte))); } +static inline void check_pgt_cache(void) +{ + quicklist_trim(0, NULL, 25, 16); +} + #endif /* __ASM_SH64_PGALLOC_H */ diff --git a/mm/Kconfig b/mm/Kconfig index a17da8bafe6..8ac412b45f1 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -166,5 +166,5 @@ config ZONE_DMA_FLAG config NR_QUICK int depends on QUICKLIST - default "2" if SUPERH + default "2" if (SUPERH && !SUPERH64) default "1" |