From mboxrd@z Thu Jan 1 00:00:00 1970 From: steve.capper@linaro.org (Steve Capper) Date: Wed, 12 Mar 2014 13:40:23 +0000 Subject: [RFC PATCH V3 6/6] arm64: mm: Activate get_user_pages_fast for arm64 In-Reply-To: <1394631623-17883-1-git-send-email-steve.capper@linaro.org> References: <1394631623-17883-1-git-send-email-steve.capper@linaro.org> Message-ID: <1394631623-17883-7-git-send-email-steve.capper@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The get_user_pages fast implementation in arch/arm is valid for arm64 too. This patch references get_user_pages_fast from arch/arm, rather than duplicate the code. Signed-off-by: Steve Capper --- arch/arm64/include/asm/pgtable.h | 6 ++++++ arch/arm64/mm/Makefile | 4 +++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index aa3917c..d5ae326 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -242,9 +242,15 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, #define __HAVE_ARCH_PMD_WRITE #define pmd_write(pmd) (!(pmd_val(pmd) & PMD_SECT_RDONLY)) +#define pmd_thp_or_huge(pmd) (pmd_huge(pmd) || pmd_trans_huge(pmd)) + #ifdef CONFIG_TRANSPARENT_HUGEPAGE #define pmd_trans_huge(pmd) (pmd_val(pmd) && !(pmd_val(pmd) & PMD_TABLE_BIT)) #define pmd_trans_splitting(pmd) (pmd_val(pmd) & PMD_SECT_SPLITTING) +#define __HAVE_ARCH_PMDP_SPLITTING_FLUSH +struct vm_area_struct; +void pmdp_splitting_flush(struct vm_area_struct *vma, unsigned long address, + pmd_t *pmdp); #endif #define PMD_BIT_FUNC(fn,op) \ diff --git a/arch/arm64/mm/Makefile b/arch/arm64/mm/Makefile index b51d364..212f229 100644 --- a/arch/arm64/mm/Makefile +++ b/arch/arm64/mm/Makefile @@ -1,5 +1,7 @@ +ARM=../../../arch/arm/mm + obj-y := dma-mapping.o extable.o fault.o init.o \ cache.o copypage.o flush.o \ ioremap.o mmap.o pgd.o mmu.o \ - context.o tlb.o proc.o + context.o tlb.o proc.o $(ARM)/gup.o obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o -- 1.8.1.4