From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx106.postini.com [74.125.245.106]) by kanga.kvack.org (Postfix) with SMTP id 693F46B0005 for ; Wed, 6 Feb 2013 12:48:59 -0500 (EST) Received: from /spool/local by e8.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 6 Feb 2013 12:47:54 -0500 Received: from d01relay01.pok.ibm.com (d01relay01.pok.ibm.com [9.56.227.233]) by d01dlp01.pok.ibm.com (Postfix) with ESMTP id 930CF38C8027 for ; Wed, 6 Feb 2013 12:47:50 -0500 (EST) Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay01.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r16HlnXF314356 for ; Wed, 6 Feb 2013 12:47:50 -0500 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r16HlnGf016159 for ; Wed, 6 Feb 2013 12:47:49 -0500 Subject: [RFC][PATCH] PAGE_OWNER now depends on STACKTRACE_SUPPORT From: Dave Hansen Date: Wed, 06 Feb 2013 09:47:48 -0800 Message-Id: <20130206174748.467A1FFD@kernel.stglabs.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, fengguang.wu@intel.com, Dave Hansen One of the enhancements I made to the PAGE_OWNER code was to make it use the generic stack trace support. However, there are some architectures that do not support it, like m68k. So, make PAGE_OWNER also depend on having STACKTRACE_SUPPORT. This isn't ideal since it restricts the number of places PAGE_OWNER runs now, but it at least hits all the major architectures. tree: git://git.cmpxchg.org/linux-mmotm.git master head: 83b324c5ff5cca85bbeb2ba913d465f108afe472 commit: 2a561c9d47c295ed91984c2b916a4dd450ee0279 [484/499] debugging-keep-track-of-page-owners-fix config: make ARCH=m68k allmodconfig All warnings: warning: (PAGE_OWNER && STACK_TRACER && BLK_DEV_IO_TRACE && KMEMCHECK) selects STACKTRACE which has unmet direct dependencies (STACKTRACE_SUPPORT) Reported-by: Fengguang Wu Signed-off-by: Dave Hansen --- linux-2.6.git-dave/lib/Kconfig.debug | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN lib/Kconfig.debug~now-depends-on-STACKTRACE_SUPPORT lib/Kconfig.debug --- linux-2.6.git/lib/Kconfig.debug~now-depends-on-STACKTRACE_SUPPORT 2013-02-06 09:44:01.372619511 -0800 +++ linux-2.6.git-dave/lib/Kconfig.debug 2013-02-06 09:44:10.648711604 -0800 @@ -101,7 +101,7 @@ config UNUSED_SYMBOLS config PAGE_OWNER bool "Track page owner" - depends on DEBUG_KERNEL + depends on DEBUG_KERNEL && STACKTRACE_SUPPORT select DEBUG_FS select STACKTRACE help _ -- 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