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-rw-r--r--mm/vmalloc.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 11308f034f85..65fc4dc71108 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1403,7 +1403,15 @@ struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
-1, GFP_KERNEL, caller);
}
-static struct vm_struct *find_vm_area(const void *addr)
+/**
+ * find_vm_area - find a continuous kernel virtual area
+ * @addr: base address
+ *
+ * Search for the kernel VM area starting at @addr, and return it.
+ * It is up to the caller to do all required locking to keep the returned
+ * pointer valid.
+ */
+struct vm_struct *find_vm_area(const void *addr)
{
struct vmap_area *va;