linux-kernel - [PATCH -mm] utrace: nommu fixup support utrace

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Date:	Tue, 06 Mar 2007 15:25:27 +0800
From:	"Wu, Bryan" <bryan.wu@...log.com>
To:	roland@...hat.com, David Howells <dhowells@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH -mm] utrace: nommu fixup support utrace

Hi folks,

When adding utrace support to blackfin architecture, I found a compiling
error in nommu related utrace stuff. Then this little patch will fix
this for nommu arch utrace.

Signed-off-by: Bryan Wu <bryan.wu@...log.com> 
---
 mm/nommu.c |    4 ++++
 1 file changed, 4 insertions(+)

Index: linux-2.6/mm/nommu.c
===================================================================
--- linux-2.6.orig/mm/nommu.c	2007-03-06 15:14:22.000000000 +0800
+++ linux-2.6/mm/nommu.c	2007-03-06 15:16:01.000000000 +0800
@@ -673,7 +673,11 @@
 	 * it's being traced - otherwise breakpoints set in it may interfere
 	 * with another untraced process
 	 */
+#ifdef CONFIG_UTRACE
+	if (flags & MAP_PRIVATE) 
+#else
 	if ((flags & MAP_PRIVATE) && (current->ptrace & PT_PTRACED))
+#endif
 		vm_flags &= ~VM_MAYSHARE;
 
 	return vm_flags;
_

Thanks
-Bryan Wu
-
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