Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756286AbbBFVPP (ORCPT ); Fri, 6 Feb 2015 16:15:15 -0500 Received: from mail-qc0-f175.google.com ([209.85.216.175]:62128 "EHLO mail-qc0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753347AbbBFVPN (ORCPT ); Fri, 6 Feb 2015 16:15:13 -0500 MIME-Version: 1.0 In-Reply-To: <54D40DAF.4080609@codeaurora.org> References: <1423092164-9145-1-git-send-email-gregory.0xf0@gmail.com> <54D40DAF.4080609@codeaurora.org> From: Gregory Fong Date: Fri, 6 Feb 2015 13:14:42 -0800 Message-ID: Subject: Re: [PATCH] ARM: print cma-reserved pages from show_mem To: Laura Abbott Cc: "linux-arm-kernel@lists.infradead.org" , Florian Fainelli , vishnu.ps@samsung.com, Russell King , Nicolas Pitre , Kees Cook , Catalin Marinas , Marek Szyprowski , Yalin Wang , open list Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1818 Lines: 51 On Thu, Feb 5, 2015 at 4:41 PM, Laura Abbott wrote: > On 2/4/2015 3:22 PM, Gregory Fong wrote: >> >> Add cma reserved information to the ARM-specific show_mem. It was >> added to the generic implementation by commit >> 49abd8c28046adf77c5ce1949549aa64d7221881 "lib/show_mem.c: add cma >> reserved information". >> >> Signed-off-by: Gregory Fong >> --- >> arch/arm/mm/init.c | 4 ++++ >> 1 file changed, 4 insertions(+) >> >> diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c >> index 2495c8c..da77507 100644 >> --- a/arch/arm/mm/init.c >> +++ b/arch/arm/mm/init.c >> @@ -22,6 +22,7 @@ >> #include >> #include >> #include >> +#include >> >> #include >> #include >> @@ -130,6 +131,9 @@ void show_mem(unsigned int filter) >> printk("%d pages of RAM\n", total); >> printk("%d free pages\n", free); >> printk("%d reserved pages\n", reserved); >> +#ifdef CONFIG_CMA >> + printk("%lu cma reserved pages\n", totalcma_pages); >> +#endif > > > Nit: 'cma reserved pages' is a bit unclear. Are there some CMA > pages that aren't reserved? Dropping the reserved might be > clearer. Sure, I was trying to replicate what's in lib/show_mem.c, but it doesn't actually make much sense. Maybe it would be better to change to "cma pages" here and change the wording in that lib/show_mem.c too. I'll wait a bit for any other thoughts and send out a v2 with those changes. Thanks, Gregory -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/