linux-kernel - [PATCH -mm] vdso print fatal signals: fix compiling error bug in nommu arch

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Message-Id: <1174904876.32691.90.camel@roc-desktop>
Date:	Mon, 26 Mar 2007 18:27:56 +0800
From:	"Wu, Bryan" <bryan.wu@...log.com>
To:	mingo@...e.hu, arjan@...radead.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH -mm]  vdso print fatal signals: fix compiling error bug in
	nommu arch

Hi folks,

As struct mm_struct vm_mm is hidden in struct vm_area_struct in NOMMU
arch, this is a fixing method when compiling failure on blackfin arch.

Signed-off-by: Bryan Wu <bryan.wu@...log.com> 
---

 kernel/signal.c |    4 ++++
 1 file changed, 4 insertions(+)

Index: linux-2.6/kernel/signal.c
===================================================================
--- linux-2.6.orig/kernel/signal.c
+++ linux-2.6/kernel/signal.c
@@ -807,7 +807,11 @@
 
 static int print_vma(struct vm_area_struct *vma)
 {
+#ifdef CONFIG_MMU
 	struct mm_struct *mm = vma->vm_mm;
+#else
+	struct mm_struct *mm = 0;
+#endif
 	struct file *file = vma->vm_file;
 	int flags = vma->vm_flags;
 	unsigned long ino = 0;
_

Thanks,
-Bryan Wu
-
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