From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oa0-f47.google.com (mail-oa0-f47.google.com [209.85.219.47]) by kanga.kvack.org (Postfix) with ESMTP id CF51F6B0035 for ; Thu, 6 Mar 2014 19:16:24 -0500 (EST) Received: by mail-oa0-f47.google.com with SMTP id i11so3441884oag.34 for ; Thu, 06 Mar 2014 16:16:24 -0800 (PST) Received: from g4t3426.houston.hp.com (g4t3426.houston.hp.com. [15.201.208.54]) by mx.google.com with ESMTPS id f4si4083019oel.144.2014.03.06.16.16.24 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Thu, 06 Mar 2014 16:16:24 -0800 (PST) Message-ID: <1394151380.2555.3.camel@buesod1.americas.hpqcorp.net> Subject: Re: [PATCH 1/7] x86: mm: clean up tlb flushing code From: Davidlohr Bueso Date: Thu, 06 Mar 2014 16:16:20 -0800 In-Reply-To: <20140306004521.5D13DC05@viggo.jf.intel.com> References: <20140306004519.BBD70A1A@viggo.jf.intel.com> <20140306004521.5D13DC05@viggo.jf.intel.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Dave Hansen Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, ak@linux.intel.com, kirill.shutemov@linux.intel.com, mgorman@suse.de, alex.shi@linaro.org, x86@kernel.org, linux-mm@kvack.org, dave.hansen@linux.intel.com On Wed, 2014-03-05 at 16:45 -0800, Dave Hansen wrote: > From: Dave Hansen > > The > > if (cpumask_any_but(mm_cpumask(mm), smp_processor_id()) < nr_cpu_ids) > > line of code is not exactly the easiest to audit, especially when > it ends up at two different indentation levels. This eliminates > one of the the copy-n-paste versions. It also gives us a unified > exit point for each path through this function. We need this in > a minute for our tracepoint. > > > Signed-off-by: Dave Hansen > --- > > b/arch/x86/mm/tlb.c | 23 +++++++++++------------ > 1 file changed, 11 insertions(+), 12 deletions(-) > > diff -puN arch/x86/mm/tlb.c~simplify-tlb-code arch/x86/mm/tlb.c > --- a/arch/x86/mm/tlb.c~simplify-tlb-code 2014-03-05 16:10:09.607047728 -0800 > +++ b/arch/x86/mm/tlb.c 2014-03-05 16:10:09.610047866 -0800 > @@ -161,23 +161,24 @@ void flush_tlb_current_task(void) > void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start, > unsigned long end, unsigned long vmflag) > { > + int need_flush_others_all = 1; nit: this can be bool. -- 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