[PATCH -mm] vdso print fatal signals: fix compiling error bug innommu arch

[Wu, Bryan]

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@xxxxxxxxxx> 
---

 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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