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authorJeff Dike <jdike@addtoit.com>2008-02-04 22:31:17 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 09:44:30 -0800
commit80e39311ff3d7d2267ea8d259aab8dc9d5a59d61 (patch)
tree141c6adb305a57cc8284580d88a839343f57ee90 /arch/um/kernel/physmem.c
parent3a24ebf0cb2ca44fdcdb5cae9ed2e778e5170f97 (diff)
uml: SMP locking commentary
Add some more commentary about various pieces of global data not needing locking. Also got rid of unmap_physmem since that is no longer used. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/kernel/physmem.c')
-rw-r--r--arch/um/kernel/physmem.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c
index 9c929000579..9757085a022 100644
--- 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)
{