From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx204.postini.com [74.125.245.204]) by kanga.kvack.org (Postfix) with SMTP id 63CE86B0010 for ; Mon, 21 Jan 2013 12:53:00 -0500 (EST) Received: from /spool/local by e7.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 21 Jan 2013 12:52:59 -0500 Received: from d01relay03.pok.ibm.com (d01relay03.pok.ibm.com [9.56.227.235]) by d01dlp01.pok.ibm.com (Postfix) with ESMTP id E106638C801C for ; Mon, 21 Jan 2013 12:52:48 -0500 (EST) Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay03.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r0LHqm9w310888 for ; Mon, 21 Jan 2013 12:52:48 -0500 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r0LHqm77011768 for ; Mon, 21 Jan 2013 15:52:48 -0200 Subject: [PATCH 3/5] use new pagetable helpers in try_preserve_large_page() From: Dave Hansen Date: Mon, 21 Jan 2013 09:52:47 -0800 References: <20130121175244.E5839E06@kernel.stglabs.ibm.com> In-Reply-To: <20130121175244.E5839E06@kernel.stglabs.ibm.com> Message-Id: <20130121175247.76641034@kernel.stglabs.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, Gleb Natapov , "H. Peter Anvin" , x86@kernel.org, Marcelo Tosatti , Rik van Riel , Dave Hansen try_preserve_large_page() can be slightly simplified by using the new page_level_*() helpers. Signed-off-by: Dave Hansen --- linux-2.6.git-dave/arch/x86/mm/pageattr.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff -puN arch/x86/mm/pageattr.c~use-new-pagetable-helpers arch/x86/mm/pageattr.c --- linux-2.6.git/arch/x86/mm/pageattr.c~use-new-pagetable-helpers 2013-01-17 10:22:26.282431407 -0800 +++ linux-2.6.git-dave/arch/x86/mm/pageattr.c 2013-01-17 10:22:26.286431442 -0800 @@ -412,15 +412,12 @@ try_preserve_large_page(pte_t *kpte, uns switch (level) { case PG_LEVEL_2M: - psize = PMD_PAGE_SIZE; - pmask = PMD_PAGE_MASK; - break; #ifdef CONFIG_X86_64 case PG_LEVEL_1G: - psize = PUD_PAGE_SIZE; - pmask = PUD_PAGE_MASK; - break; #endif + psize = page_level_size(level); + pmask = page_level_mask(level); + break; default: do_split = -EINVAL; goto out_unlock; _ -- 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