uml: SMP locking commentary

[karo-tx-linux.git] / arch / um / kernel / physmem.c

diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c
index 9c9290005792bc51f1dd2d01ba71a28ecaf6bd9d..9757085a022097fe1804373bfd8e498bd38b4991 100644 (file)
--- a/arch/um/kernel/physmem.c
+++ b/arch/um/kernel/physmem.c
@@ -164,10 +164,10 @@ __uml_setup("iomem=", parse_iomem,
  * setup_iomem, both of which run during early boot.  Afterwards, it's
  * unchanged.
  */
-struct iomem_region *iomem_regions = NULL;
+struct iomem_region *iomem_regions;
 
-/* Initialized in parse_iomem */
-int iomem_size = 0;
+/* Initialized in parse_iomem and unchanged thereafter */
+int iomem_size;
 
 unsigned long find_iomem(char *driver, unsigned long *len_out)
 {