X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-ia64%2Fpgalloc.h;h=67552cad517339dea7791ce825ca00109d6602f3;hb=d3f46f39b7092594b498abc12f0c73b0b9913bde;hp=393e04c42a2c127affc71db782b51214221e0934;hpb=7e23772f414cdbfb2a08aed237d6e926bb1cb728;p=linux-2.6-omap-h63xx.git diff --git a/include/asm-ia64/pgalloc.h b/include/asm-ia64/pgalloc.h index 393e04c42a2..67552cad517 100644 --- a/include/asm-ia64/pgalloc.h +++ b/include/asm-ia64/pgalloc.h @@ -18,71 +18,18 @@ #include #include #include +#include #include -DECLARE_PER_CPU(unsigned long *, __pgtable_quicklist); -#define pgtable_quicklist __ia64_per_cpu_var(__pgtable_quicklist) -DECLARE_PER_CPU(long, __pgtable_quicklist_size); -#define pgtable_quicklist_size __ia64_per_cpu_var(__pgtable_quicklist_size) - -static inline long pgtable_quicklist_total_size(void) -{ - long ql_size = 0; - int cpuid; - - for_each_online_cpu(cpuid) { - ql_size += per_cpu(__pgtable_quicklist_size, cpuid); - } - return ql_size; -} - -static inline void *pgtable_quicklist_alloc(void) -{ - unsigned long *ret = NULL; - - preempt_disable(); - - ret = pgtable_quicklist; - if (likely(ret != NULL)) { - pgtable_quicklist = (unsigned long *)(*ret); - ret[0] = 0; - --pgtable_quicklist_size; - preempt_enable(); - } else { - preempt_enable(); - ret = (unsigned long *)__get_free_page(GFP_KERNEL | __GFP_ZERO); - } - - return ret; -} - -static inline void pgtable_quicklist_free(void *pgtable_entry) -{ -#ifdef CONFIG_NUMA - int nid = page_to_nid(virt_to_page(pgtable_entry)); - - if (unlikely(nid != numa_node_id())) { - free_page((unsigned long)pgtable_entry); - return; - } -#endif - - preempt_disable(); - *(unsigned long *)pgtable_entry = (unsigned long)pgtable_quicklist; - pgtable_quicklist = (unsigned long *)pgtable_entry; - ++pgtable_quicklist_size; - preempt_enable(); -} - static inline pgd_t *pgd_alloc(struct mm_struct *mm) { - return pgtable_quicklist_alloc(); + return quicklist_alloc(0, GFP_KERNEL, NULL); } static inline void pgd_free(pgd_t * pgd) { - pgtable_quicklist_free(pgd); + quicklist_free(0, NULL, pgd); } #ifdef CONFIG_PGTABLE_4 @@ -94,12 +41,12 @@ pgd_populate(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud) static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) { - return pgtable_quicklist_alloc(); + return quicklist_alloc(0, GFP_KERNEL, NULL); } static inline void pud_free(pud_t * pud) { - pgtable_quicklist_free(pud); + quicklist_free(0, NULL, pud); } #define __pud_free_tlb(tlb, pud) pud_free(pud) #endif /* CONFIG_PGTABLE_4 */ @@ -112,12 +59,12 @@ pud_populate(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd) static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) { - return pgtable_quicklist_alloc(); + return quicklist_alloc(0, GFP_KERNEL, NULL); } static inline void pmd_free(pmd_t * pmd) { - pgtable_quicklist_free(pmd); + quicklist_free(0, NULL, pmd); } #define __pmd_free_tlb(tlb, pmd) pmd_free(pmd) @@ -137,27 +84,31 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte) static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr) { - return virt_to_page(pgtable_quicklist_alloc()); + void *pg = quicklist_alloc(0, GFP_KERNEL, NULL); + return pg ? virt_to_page(pg) : NULL; } static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr) { - return pgtable_quicklist_alloc(); + return quicklist_alloc(0, GFP_KERNEL, NULL); } static inline void pte_free(struct page *pte) { - pgtable_quicklist_free(page_address(pte)); + quicklist_free_page(0, NULL, pte); } static inline void pte_free_kernel(pte_t * pte) { - pgtable_quicklist_free(pte); + quicklist_free(0, NULL, pte); } -#define __pte_free_tlb(tlb, pte) pte_free(pte) +static inline void check_pgt_cache(void) +{ + quicklist_trim(0, NULL, 25, 16); +} -extern void check_pgt_cache(void); +#define __pte_free_tlb(tlb, pte) pte_free(pte) #endif /* _ASM_IA64_PGALLOC_H */