linux-kernel - Re: [v2.6.26] what's brewing in x86.git for v2.6.26

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Date:	Thu, 17 Apr 2008 21:35:37 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Vegard Nossum <vegard.nossum@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [v2.6.26] what's brewing in x86.git for v2.6.26


* Ingo Molnar <mingo@...e.hu> wrote:

> > Actually it doesn't. I attach a patch which gets rid of the page flag, 
> > and we rely instead on the PTE flag for page-trackedness.
> [...]
> > Ingo, will you take this for some additional testing?
> 
> thanks Vegard, i've applied it - looks good to me too.

x86.git randconfig testing found a build bug - fix below.

	Ingo

------------>
Subject: kmemcheck: fix build
From: Ingo Molnar <mingo@...e.hu>
Date: Thu Apr 17 21:20:43 CEST 2008

Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 include/linux/kmemcheck.h |    3 +++
 1 file changed, 3 insertions(+)

Index: linux/include/linux/kmemcheck.h
===================================================================
--- linux.orig/include/linux/kmemcheck.h
+++ linux/include/linux/kmemcheck.h
@@ -1,6 +1,8 @@
 #ifndef LINUX_KMEMCHECK_H
 #define LINUX_KMEMCHECK_H
 
+#include <linux/types.h>
+
 #ifdef CONFIG_KMEMCHECK
 extern int kmemcheck_enabled;
 
@@ -24,6 +26,7 @@ void kmemcheck_mark_uninitialized_pages(
 #ifndef CONFIG_KMEMCHECK
 #define kmemcheck_enabled 0
 static inline void kmemcheck_init(void) { }
+static inline bool kmemcheck_page_is_tracked(struct page *p) { return false; }
 #endif /* CONFIG_KMEMCHECK */
 
 #endif /* LINUX_KMEMCHECK_H */
--
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