File-copy from v4.4.100
This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Please refer to that tree for all history prior to this point.
Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/arch/x86/um/mem_64.c b/arch/x86/um/mem_64.c
new file mode 100644
index 0000000..7642e2e
--- /dev/null
+++ b/arch/x86/um/mem_64.c
@@ -0,0 +1,10 @@
+#include <linux/mm.h>
+#include <asm/elf.h>
+
+const char *arch_vma_name(struct vm_area_struct *vma)
+{
+ if (vma->vm_mm && vma->vm_start == um_vdso_addr)
+ return "[vdso]";
+
+ return NULL;
+}