From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kirill A. Shutemov" Subject: [PATCH 05/34] mm: allow pgtable_page_ctor() to fail Date: Thu, 10 Oct 2013 21:05:30 +0300 Message-ID: <1381428359-14843-6-git-send-email-kirill.shutemov@linux.intel.com> References: <1381428359-14843-1-git-send-email-kirill.shutemov@linux.intel.com> Return-path: In-Reply-To: <1381428359-14843-1-git-send-email-kirill.shutemov@linux.intel.com> Sender: owner-linux-mm@kvack.org 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" List-Id: linux-arch.vger.kernel.org Change pgtable_page_ctor() return type from void to bool. Returns true, if initialization is successful and false otherwise. Current implementation never fails, but it will change later. Signed-off-by: Kirill A. Shutemov --- include/linux/mm.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 75735f6171..f6467032a9 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1254,10 +1254,11 @@ static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long a #define pte_lockptr(mm, pmd) ({(void)(pmd); &(mm)->page_table_lock;}) #endif /* USE_SPLIT_PTE_PTLOCKS */ -static inline void pgtable_page_ctor(struct page *page) +static inline bool pgtable_page_ctor(struct page *page) { pte_lock_init(page); inc_zone_page_state(page, NR_PAGETABLE); + return true; } static inline void pgtable_page_dtor(struct page *page) -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com ([192.55.52.88]:26345 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755619Ab3JJSGI (ORCPT ); Thu, 10 Oct 2013 14:06:08 -0400 From: "Kirill A. Shutemov" Subject: [PATCH 05/34] mm: allow pgtable_page_ctor() to fail Date: Thu, 10 Oct 2013 21:05:30 +0300 Message-ID: <1381428359-14843-6-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: linux-arch-owner@vger.kernel.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" Message-ID: <20131010180530.E3-PdLVxnJ7TmkPbWC-czS29Sewx_NZkeMn_VUF7e1s@z> Change pgtable_page_ctor() return type from void to bool. Returns true, if initialization is successful and false otherwise. Current implementation never fails, but it will change later. Signed-off-by: Kirill A. Shutemov --- include/linux/mm.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 75735f6171..f6467032a9 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1254,10 +1254,11 @@ static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long a #define pte_lockptr(mm, pmd) ({(void)(pmd); &(mm)->page_table_lock;}) #endif /* USE_SPLIT_PTE_PTLOCKS */ -static inline void pgtable_page_ctor(struct page *page) +static inline bool pgtable_page_ctor(struct page *page) { pte_lock_init(page); inc_zone_page_state(page, NR_PAGETABLE); + return true; } static inline void pgtable_page_dtor(struct page *page) -- 1.8.4.rc3