From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp07.au.ibm.com (e23smtp07.au.ibm.com [202.81.31.140]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 770AA1A0A20 for ; Wed, 30 Sep 2015 05:20:05 +1000 (AEST) Received: from /spool/local by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 30 Sep 2015 05:20:03 +1000 Received: from d23relay09.au.ibm.com (d23relay09.au.ibm.com [9.185.63.181]) by d23dlp01.au.ibm.com (Postfix) with ESMTP id CCF422CE8052 for ; Wed, 30 Sep 2015 05:20:00 +1000 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay09.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t8TJJqDg31523002 for ; Wed, 30 Sep 2015 05:20:00 +1000 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t8TJJQwi021080 for ; Wed, 30 Sep 2015 05:19:28 +1000 Message-ID: <560AE486.2030500@linux.vnet.ibm.com> Date: Wed, 30 Sep 2015 00:50:38 +0530 From: Raghavendra K T MIME-Version: 1.0 To: Nishanth Aravamudan CC: benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, anton@samba.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, cl@linux.com, gkurz@linux.vnet.ibm.com, grant.likely@linaro.org, nikunj@linux.vnet.ibm.com, khandual@linux.vnet.ibm.com Subject: Re: [PATCH RFC 3/5] powerpc:numa create 1:1 mappaing between chipid and nid References: <1443378553-2146-1-git-send-email-raghavendra.kt@linux.vnet.ibm.com> <1443378553-2146-4-git-send-email-raghavendra.kt@linux.vnet.ibm.com> <20150928173529.GF48470@linux.vnet.ibm.com> In-Reply-To: <20150928173529.GF48470@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 09/28/2015 11:05 PM, Nishanth Aravamudan wrote: > On 27.09.2015 [23:59:11 +0530], Raghavendra K T wrote: >> Once we have made the distinction between nid and chipid >> create a 1:1 mapping between them. This makes compacting the >> nids easy later. >> >> No functionality change. >> >> Signed-off-by: Raghavendra K T >> --- >> arch/powerpc/mm/numa.c | 36 +++++++++++++++++++++++++++++------- >> 1 file changed, 29 insertions(+), 7 deletions(-) >> >> diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c >> index f84ed2f..dd2073b 100644 >> --- a/arch/powerpc/mm/numa.c >> +++ b/arch/powerpc/mm/numa.c >> @@ -264,6 +264,17 @@ out: >> return chipid; >> } >> >> + >> + /* Return the nid from associativity */ >> +static int associativity_to_nid(const __be32 *associativity) >> +{ >> + int nid; >> + >> + nid = associativity_to_chipid(associativity); >> + return nid; >> +} > > This is ultimately confusing. You are assigning the semantic return > value of a chipid to a nid -- is it a nid or a chipid? Shouldn't the > variable naming be consistent? > :( yes. will come up with some consistent naming.