Messages in this thread Patch in this message |  | | Subject | [RFC][PATCH] PAGE_OWNER now depends on STACKTRACE_SUPPORT | From | Dave Hansen <> | Date | Wed, 06 Feb 2013 09:47:48 -0800 |
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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 <fengguang.wu@intel.com> Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com> ---
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 _
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