From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Kleikamp Date: Fri, 14 Dec 2012 21:02:00 +0000 Subject: [PATCH] sparc: huge_ptep_set_* functions need to call set_huge_pte_at() Message-Id: <50CB93C8.8010802@oracle.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: sparclinux@vger.kernel.org Modifying the huge pte's requires that all the underlying pte's be modified. Signed-off-by: Dave Kleikamp Cc: "David S. Miller" Cc: sparclinux@vger.kernel.org --- arch/sparc/include/asm/hugetlb.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h index 8c5eed6..ef3fce5 100644 --- a/arch/sparc/include/asm/hugetlb.h +++ b/arch/sparc/include/asm/hugetlb.h @@ -61,14 +61,18 @@ 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); + return changed; } static inline pte_t huge_ptep_get(pte_t *ptep) -- 1.8.0.1