X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-ia64%2Fpgalloc.h;h=b9ac1a6fc21694a55e2771e471ab8cc90ab997cf;hb=1ff184225b15930ea118ac2130f074c741d34f08;hp=f2f23384647692d9e4d0ebec0b92f086828699a1;hpb=3d5271f9883cba7b54762bc4fe027d4172f06db7;p=linux-2.6-omap-h63xx.git diff --git a/include/asm-ia64/pgalloc.h b/include/asm-ia64/pgalloc.h index f2f23384647..b9ac1a6fc21 100644 --- a/include/asm-ia64/pgalloc.h +++ b/include/asm-ia64/pgalloc.h @@ -13,77 +13,23 @@ * Copyright (C) 2000, Goutham Rao */ -#include #include #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 - unsigned long 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) +static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { - pgtable_quicklist_free(pgd); + quicklist_free(0, NULL, pgd); } #ifdef CONFIG_PGTABLE_4 @@ -95,14 +41,14 @@ 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) +static inline void pud_free(struct mm_struct *mm, pud_t *pud) { - pgtable_quicklist_free(pud); + quicklist_free(0, NULL, pud); } -#define __pud_free_tlb(tlb, pud) pud_free(pud) +#define __pud_free_tlb(tlb, pud) pud_free((tlb)->mm, pud) #endif /* CONFIG_PGTABLE_4 */ static inline void @@ -113,21 +59,22 @@ 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) +static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) { - pgtable_quicklist_free(pmd); + quicklist_free(0, NULL, pmd); } -#define __pmd_free_tlb(tlb, pmd) pmd_free(pmd) +#define __pmd_free_tlb(tlb, pmd) pmd_free((tlb)->mm, pmd) static inline void -pmd_populate(struct mm_struct *mm, pmd_t * pmd_entry, struct page *pte) +pmd_populate(struct mm_struct *mm, pmd_t * pmd_entry, pgtable_t pte) { pmd_val(*pmd_entry) = page_to_phys(pte); } +#define pmd_pgtable(pmd) pmd_page(pmd) static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte) @@ -135,30 +82,41 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte) pmd_val(*pmd_entry) = __pa(pte); } -static inline struct page *pte_alloc_one(struct mm_struct *mm, - unsigned long addr) +static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr) { - return virt_to_page(pgtable_quicklist_alloc()); + 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 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) +static inline void pte_free(struct mm_struct *mm, pgtable_t pte) { - pgtable_quicklist_free(page_address(pte)); + pgtable_page_dtor(pte); + quicklist_free_page(0, NULL, pte); } -static inline void pte_free_kernel(pte_t * pte) +static inline void pte_free_kernel(struct mm_struct *mm, 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((tlb)->mm, pte) #endif /* _ASM_IA64_PGALLOC_H */