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-rw-r--r--arch/x86_64/mm/init.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index 9a0e98accf04..2f673225a51f 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -774,3 +774,12 @@ void *alloc_bootmem_high_node(pg_data_t *pgdat, unsigned long size)
return __alloc_bootmem_core(pgdat->bdata, size,
SMP_CACHE_BYTES, (4UL*1024*1024*1024), 0);
}
+
+const char *arch_vma_name(struct vm_area_struct *vma)
+{
+ if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso)
+ return "[vdso]";
+ if (vma == &gate_vma)
+ return "[vsyscall]";
+ return NULL;
+}