On Sat, 30 Aug 2008, Pekka Enberg wrote: > Hi Steve, > > On Sat, Aug 30, 2008 at 2:16 AM, Steve VanDeBogart > <[EMAIL PROTECTED]> wrote: >> Valgrind annotations for valgrind: memory is addressable once it's been >> alloced, and unaddressable when it is freed again. Can't use malloc-like >> and free-like because valgrind considers a malloc-like chunk indivisible. >> >> Signed-off-by: Steve VanDeBogart <[EMAIL PROTECTED]> >> --- >> >> Index: linux-2.6.27-rc5/mm/page_alloc.c >> @@ -1080,6 +1081,7 @@ >> if (!page) >> goto failed; >> } >> + VALGRIND_MAKE_MEM_UNDEFINED(page_address(page), PAGE_SIZE << order); > > No SHOUTING macros please, and I think you should just pass page and > order here and do the calculation elsewhere.
Valgrind provides a header file that defines these annotation functions. For the ease of tracking changes to this header file, I've made minimal changes to it (just a couple lines to integrate with Kconfig). If the interfaces and/or style is objectionable to the kernel community at large, than we will have to decide to either wrap the interface that Valgrind provides or modify the header and track changes manually. -- Steve ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ User-mode-linux-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
