diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/include/asm/pgalloc.h | 41 | ||||
| -rw-r--r-- | arch/arm/kernel/efi.c | 3 | ||||
| -rw-r--r-- | arch/arm/mm/dma-mapping.c | 3 | ||||
| -rw-r--r-- | arch/arm/mm/mmu.c | 2 | ||||
| -rw-r--r-- | arch/arm/mm/pageattr.c | 3 |
6 files changed, 18 insertions, 42 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index d850feb5cc0a..2bf1ce39a96d 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -75,6 +75,7 @@ config ARM select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE select HAVE_EFFICIENT_UNALIGNED_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && MMU select HAVE_EXIT_THREAD + select HAVE_FAST_GUP if ARM_LPAE select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL && !CC_IS_CLANG select HAVE_FUNCTION_TRACER if !XIP_KERNEL @@ -1622,16 +1623,9 @@ config ARCH_SPARSEMEM_ENABLE config ARCH_SPARSEMEM_DEFAULT def_bool ARCH_SPARSEMEM_ENABLE -config ARCH_SELECT_MEMORY_MODEL - def_bool ARCH_SPARSEMEM_ENABLE - config HAVE_ARCH_PFN_VALID def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM -config HAVE_GENERIC_GUP - def_bool y - depends on ARM_LPAE - config HIGHMEM bool "High Memory Support" depends on MMU diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h index c038cff6fdd3..a2a68b751971 100644 --- a/arch/arm/include/asm/pgalloc.h +++ b/arch/arm/include/asm/pgalloc.h @@ -54,8 +54,6 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) extern pgd_t *pgd_alloc(struct mm_struct *mm); extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); -#define PGALLOC_GFP (GFP_KERNEL | __GFP_ZERO) - static inline void clean_pte_table(pte_t *pte) { clean_dcache_area(pte + PTE_HWTABLE_PTRS, PTE_HWTABLE_SIZE); @@ -77,54 +75,41 @@ static inline void clean_pte_table(pte_t *pte) * | h/w pt 1 | * +------------+ */ + +#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL +#define __HAVE_ARCH_PTE_ALLOC_ONE +#include <asm-generic/pgalloc.h> + static inline pte_t * pte_alloc_one_kernel(struct mm_struct *mm) { - pte_t *pte; + pte_t *pte = __pte_alloc_one_kernel(mm); - pte = (pte_t *)__get_free_page(PGALLOC_GFP); if (pte) clean_pte_table(pte); return pte; } +#ifdef CONFIG_HIGHPTE +#define PGTABLE_HIGHMEM __GFP_HIGHMEM +#else +#define PGTABLE_HIGHMEM 0 +#endif + static inline pgtable_t pte_alloc_one(struct mm_struct *mm) { struct page *pte; -#ifdef CONFIG_HIGHPTE - pte = alloc_pages(PGALLOC_GFP | __GFP_HIGHMEM, 0); -#else - pte = alloc_pages(PGALLOC_GFP, 0); -#endif + pte = __pte_alloc_one(mm, GFP_PGTABLE_USER | PGTABLE_HIGHMEM); if (!pte) return NULL; if (!PageHighMem(pte)) clean_pte_table(page_address(pte)); - if (!pgtable_page_ctor(pte)) { - __free_page(pte); - return NULL; - } return pte; } -/* - * Free one PTE table. - */ -static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) -{ - if (pte) - free_page((unsigned long)pte); -} - -static inline void pte_free(struct mm_struct *mm, pgtable_t pte) -{ - pgtable_page_dtor(pte); - __free_page(pte); -} - static inline void __pmd_populate(pmd_t *pmdp, phys_addr_t pte, pmdval_t prot) { diff --git a/arch/arm/kernel/efi.c b/arch/arm/kernel/efi.c index ed005870671a..e57dbcc89123 100644 --- a/arch/arm/kernel/efi.c +++ b/arch/arm/kernel/efi.c @@ -8,8 +8,7 @@ #include <asm/mach/map.h> #include <asm/mmu_context.h> -static int __init set_permissions(pte_t *ptep, pgtable_t token, - unsigned long addr, void *data) +static int __init set_permissions(pte_t *ptep, unsigned long addr, void *data) { efi_memory_desc_t *md = data; pte_t pte = *ptep; diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 439bb6a59a04..1fb5c0ca1ed8 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -493,8 +493,7 @@ void __init dma_contiguous_remap(void) } } -static int __dma_update_pte(pte_t *pte, pgtable_t token, unsigned long addr, - void *data) +static int __dma_update_pte(pte_t *pte, unsigned long addr, void *data) { struct page *page = virt_to_page(addr); pgprot_t prot = *(pgprot_t *)data; diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 1aa2586fa597..d9a0038774a6 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -729,7 +729,7 @@ static void __init *early_alloc(unsigned long sz) static void *__init late_alloc(unsigned long sz) { - void *ptr = (void *)__get_free_pages(PGALLOC_GFP, get_order(sz)); + void *ptr = (void *)__get_free_pages(GFP_PGTABLE_KERNEL, get_order(sz)); if (!ptr || !pgtable_page_ctor(virt_to_page(ptr))) BUG(); diff --git a/arch/arm/mm/pageattr.c b/arch/arm/mm/pageattr.c index 0f5faf30d9bf..d546efad7e97 100644 --- a/arch/arm/mm/pageattr.c +++ b/arch/arm/mm/pageattr.c @@ -14,8 +14,7 @@ struct page_change_data { pgprot_t clear_mask; }; -static int change_page_range(pte_t *ptep, pgtable_t token, unsigned long addr, - void *data) +static int change_page_range(pte_t *ptep, unsigned long addr, void *data) { struct page_change_data *cdata = data; pte_t pte = *ptep; |