From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f45.google.com (mail-pa0-f45.google.com [209.85.220.45]) by kanga.kvack.org (Postfix) with ESMTP id 4710F6B0253 for ; Fri, 7 Aug 2015 17:26:24 -0400 (EDT) Received: by pabyb7 with SMTP id yb7so63485476pab.0 for ; Fri, 07 Aug 2015 14:26:24 -0700 (PDT) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id ix1si19803928pbd.181.2015.08.07.14.26.23 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 07 Aug 2015 14:26:23 -0700 (PDT) Date: Fri, 7 Aug 2015 14:26:22 -0700 From: Andrew Morton Subject: Re: [linux-next:master 6277/6751] mm/page_idle.c:74:4: error: implicit declaration of function 'pte_unmap' Message-Id: <20150807142622.b2de8f5e70f1224dfe9aa195@linux-foundation.org> In-Reply-To: <201508072227.PBXmgcfg%fengguang.wu@intel.com> References: <201508072227.PBXmgcfg%fengguang.wu@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: kbuild test robot Cc: Vladimir Davydov , kbuild-all@01.org, Linux Memory Management List On Fri, 7 Aug 2015 22:24:33 +0800 kbuild test robot wrote: > tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: e6455bc5b91f41f842f30465c9193320f0568707 > commit: cbba4e22584984bffccd07e0801fd2b8ec1ecf5f [6277/6751] Move /proc/kpageidle to /sys/kernel/mm/page_idle/bitmap > config: blackfin-allmodconfig (attached as .config) > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout cbba4e22584984bffccd07e0801fd2b8ec1ecf5f > # save the attached .config to linux build tree > make.cross ARCH=blackfin > > All error/warnings (new ones prefixed by >>): > > mm/page_idle.c: In function 'page_idle_clear_pte_refs_one': > mm/page_idle.c:67:4: error: implicit declaration of function 'pmdp_test_and_clear_young' [-Werror=implicit-function-declaration] > mm/page_idle.c:71:3: error: implicit declaration of function 'page_check_address' [-Werror=implicit-function-declaration] Yeah. This? From: Andrew Morton Subject: proc-add-kpageidle-file-fix-6-fix-2-fix kpageidle requires an MMU Cc: Michal Hocko Cc: Stephen Rothwell Cc: Vladimir Davydov Signed-off-by: Andrew Morton --- mm/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN fs/proc/page.c~proc-add-kpageidle-file-fix-6-fix-2-fix fs/proc/page.c diff -puN mm/Kconfig~proc-add-kpageidle-file-fix-6-fix-2-fix mm/Kconfig --- a/mm/Kconfig~proc-add-kpageidle-file-fix-6-fix-2-fix +++ a/mm/Kconfig @@ -657,7 +657,7 @@ config DEFERRED_STRUCT_PAGE_INIT config IDLE_PAGE_TRACKING bool "Enable idle page tracking" - depends on SYSFS + depends on SYSFS && MMU select PAGE_EXTENSION if !64BIT help This feature allows to estimate the amount of user pages that have _ -- 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