From: Dave Kleikamp Date: Mon, 17 Dec 2012 17:52:47 +0000 (-0600) Subject: sparc: huge_ptep_set_* functions need to call set_huge_pte_at() X-Git-Tag: upstream/snapshot3+hdmi~5996^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6cb9c3697585c47977c42c5cc1b9fc49247ac530;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git sparc: huge_ptep_set_* functions need to call set_huge_pte_at() Modifying the huge pte's requires that all the underlying pte's be modified. Version 2: added missing flush_tlb_page() Signed-off-by: Dave Kleikamp Cc: "David S. Miller" Cc: sparclinux@vger.kernel.org Signed-off-by: David S. Miller --- diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h index 8c5eed6..9661e9b 100644 --- a/arch/sparc/include/asm/hugetlb.h +++ b/arch/sparc/include/asm/hugetlb.h @@ -61,14 +61,20 @@ static inline pte_t huge_pte_wrprotect(pte_t pte) static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - ptep_set_wrprotect(mm, addr, ptep); + pte_t old_pte = *ptep; + set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte)); } static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t pte, int dirty) { - return ptep_set_access_flags(vma, addr, ptep, pte, dirty); + int changed = !pte_same(*ptep, pte); + if (changed) { + set_huge_pte_at(vma->vm_mm, addr, ptep, pte); + flush_tlb_page(vma, addr); + } + return changed; } static inline pte_t huge_ptep_get(pte_t *ptep)