diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index a04498d..5962846 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -322,6 +322,25 @@ static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 	goto out;
 }
 
+int pci_read_base(struct pci_dev *dev, unsigned int reg, struct resource *res)
+{
+	struct pci_bus_region region;
+	struct resource *parent;
+
+	//__pci_read_base(dev, reg, res);
+	__pci_read_base(dev, decode_bar(res, reg), res, reg);
+
+	region.start = res->start;
+	region.end = res->end;
+	pcibios_bus_to_resource(dev, res, &region);
+
+	parent = pci_find_parent_resource(dev, res);
+	if (!parent)
+		return -ENOENT;
+	return request_resource(parent, res);
+}
+EXPORT_SYMBOL_GPL(pci_read_base);
+
 static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom)
 {
 	unsigned int pos, reg;
diff --git a/mm/shmem.c b/mm/shmem.c
index 04fb4f1..e6e88bd 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2582,6 +2582,7 @@ put_memory:
 	shmem_unacct_size(flags, size);
 	return ERR_PTR(error);
 }
+EXPORT_SYMBOL_GPL(shmem_file_setup);
 
 /**
  * shmem_zero_setup - setup a shared anonymous mapping