From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f175.google.com (mail-pd0-f175.google.com [209.85.192.175]) by kanga.kvack.org (Postfix) with ESMTP id C924B900002 for ; Thu, 10 Oct 2013 14:06:10 -0400 (EDT) Received: by mail-pd0-f175.google.com with SMTP id q10so2965236pdj.20 for ; Thu, 10 Oct 2013 11:06:10 -0700 (PDT) From: "Kirill A. Shutemov" Subject: [PATCH 08/34] openrisc: add missing pgtable_page_ctor/dtor calls Date: Thu, 10 Oct 2013 21:05:33 +0300 Message-Id: <1381428359-14843-9-git-send-email-kirill.shutemov@linux.intel.com> In-Reply-To: <1381428359-14843-1-git-send-email-kirill.shutemov@linux.intel.com> References: <1381428359-14843-1-git-send-email-kirill.shutemov@linux.intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton , Peter Zijlstra , Ingo Molnar Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, "Kirill A. Shutemov" , Jonas Bonn It will fix NR_PAGETABLE accounting. It's also required if the arch is going ever support split ptl. Signed-off-by: Kirill A. Shutemov Cc: Jonas Bonn --- arch/openrisc/include/asm/pgalloc.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/openrisc/include/asm/pgalloc.h b/arch/openrisc/include/asm/pgalloc.h index 05c39ecd2e..21484e5b9e 100644 --- a/arch/openrisc/include/asm/pgalloc.h +++ b/arch/openrisc/include/asm/pgalloc.h @@ -78,8 +78,13 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, { struct page *pte; pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0); - if (pte) - clear_page(page_address(pte)); + if (!pte) + return NULL; + clear_page(page_address(pte)); + if (!pgtable_page_ctor(pte)) { + __free_page(pte); + return NULL; + } return pte; } @@ -90,6 +95,7 @@ static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) static inline void pte_free(struct mm_struct *mm, struct page *pte) { + pgtable_page_dtor(pte); __free_page(pte); } -- 1.8.4.rc3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org