diff --git a/arch/arm64/include/asm/pgalloc.h b/arch/arm64/include/asm/pgalloc.h index 7246d0a662e1abe2605e5f7f71b8cd4984f1d750..0965945b595d012fcca81e551248d3248cddcc96 100644 --- a/arch/arm64/include/asm/pgalloc.h +++ b/arch/arm64/include/asm/pgalloc.h @@ -37,17 +37,6 @@ static inline void __pud_populate(pud_t *pudp, phys_addr_t pmdp, pudval_t prot) #if CONFIG_PGTABLE_LEVELS > 3 -static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) -{ - return (pud_t *)__get_free_page(GFP_PGTABLE_USER); -} - -static inline void pud_free(struct mm_struct *mm, pud_t *pudp) -{ - BUG_ON((unsigned long)pudp & (PAGE_SIZE-1)); - free_page((unsigned long)pudp); -} - static inline void __p4d_populate(p4d_t *p4dp, phys_addr_t pudp, p4dval_t prot) { set_p4d(p4dp, __p4d(__phys_to_p4d_val(pudp) | prot)); diff --git a/arch/ia64/include/asm/pgalloc.h b/arch/ia64/include/asm/pgalloc.h index 5da1fc76477b14f136d28e56f52bbab83f860821..06f80358e20fdd4679b34a044f1bcf9dadde1afc 100644 --- a/arch/ia64/include/asm/pgalloc.h +++ b/arch/ia64/include/asm/pgalloc.h @@ -41,15 +41,6 @@ p4d_populate(struct mm_struct *mm, p4d_t * p4d_entry, pud_t * pud) p4d_val(*p4d_entry) = __pa(pud); } -static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) -{ - return (pud_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO); -} - -static inline void pud_free(struct mm_struct *mm, pud_t *pud) -{ - free_page((unsigned long)pud); -} #define __pud_free_tlb(tlb, pud, address) pud_free((tlb)->mm, pud) #endif /* CONFIG_PGTABLE_LEVELS == 4 */ diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h index eed1b3e8c642b1b7c2a78f031704038d14283ee3..e5a840910ce0707361cfcd9c0a26b6b3225c0383 100644 --- a/arch/mips/include/asm/pgalloc.h +++ b/arch/mips/include/asm/pgalloc.h @@ -14,6 +14,7 @@ #include <linux/sched.h> #define __HAVE_ARCH_PMD_ALLOC_ONE +#define __HAVE_ARCH_PUD_ALLOC_ONE #include <asm-generic/pgalloc.h> static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, @@ -87,11 +88,6 @@ static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address) return pud; } -static inline void pud_free(struct mm_struct *mm, pud_t *pud) -{ - free_pages((unsigned long)pud, PUD_ORDER); -} - static inline void p4d_populate(struct mm_struct *mm, p4d_t *p4d, pud_t *pud) { set_p4d(p4d, __p4d((unsigned long)pud)); diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h index 25feaa117c4026fd29dc614ad94257c1a410477d..3d1085a1434706f2584d8c105d808c0109777759 100644 --- a/arch/x86/include/asm/pgalloc.h +++ b/arch/x86/include/asm/pgalloc.h @@ -123,21 +123,6 @@ static inline void p4d_populate_safe(struct mm_struct *mm, p4d_t *p4d, pud_t *pu set_p4d_safe(p4d, __p4d(_PAGE_TABLE | __pa(pud))); } -static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) -{ - gfp_t gfp = GFP_KERNEL_ACCOUNT; - - if (mm == &init_mm) - gfp &= ~__GFP_ACCOUNT; - return (pud_t *)get_zeroed_page(gfp); -} - -static inline void pud_free(struct mm_struct *mm, pud_t *pud) -{ - BUG_ON((unsigned long)pud & (PAGE_SIZE-1)); - free_page((unsigned long)pud); -} - extern void ___pud_free_tlb(struct mmu_gather *tlb, pud_t *pud); static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud, diff --git a/include/asm-generic/pgalloc.h b/include/asm-generic/pgalloc.h index 1bc027891a003ecd86bd0b9081ea8ebbe08c9b52..d361574aaadff99532117808b6b38d2016b1faeb 100644 --- a/include/asm-generic/pgalloc.h +++ b/include/asm-generic/pgalloc.h @@ -145,6 +145,36 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) #endif /* CONFIG_PGTABLE_LEVELS > 2 */ +#if CONFIG_PGTABLE_LEVELS > 3 + +#ifndef __HAVE_ARCH_PUD_FREE +/** + * pud_alloc_one - allocate a page for PUD-level page table + * @mm: the mm_struct of the current context + * + * Allocates a page using %GFP_PGTABLE_USER for user context and + * %GFP_PGTABLE_KERNEL for kernel context. + * + * Return: pointer to the allocated memory or %NULL on error + */ +static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) +{ + gfp_t gfp = GFP_PGTABLE_USER; + + if (mm == &init_mm) + gfp = GFP_PGTABLE_KERNEL; + return (pud_t *)get_zeroed_page(gfp); +} +#endif + +static inline void pud_free(struct mm_struct *mm, pud_t *pud) +{ + BUG_ON((unsigned long)pud & (PAGE_SIZE-1)); + free_page((unsigned long)pud); +} + +#endif /* CONFIG_PGTABLE_LEVELS > 3 */ + #endif /* CONFIG_MMU */ #endif /* __ASM_GENERIC_PGALLOC_H */