[PATCH 5/6] module: make modversion_info contain a pointer, not an array.

[Rusty Russell]

With allmodconfig (minus non-building modules) on 32-bit x86:
Total size of modules before: 60009790 bytes
Total size of modules after: 55927866 bytes

Saving 7% of module size for CONFIG_MODVERSIONS=y; and these sections
are kept resident as well.

Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
---
 include/linux/module.h |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/linux/module.h b/include/linux/module.h
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -37,10 +37,12 @@ struct kernel_symbol
 	const char *name;
 };
 
+/* This is put in the __versions section of a module to indicate the version
+ * it expects for unknown symbols. */
 struct modversion_info
 {
 	unsigned long crc;
-	char name[MODULE_NAME_LEN];
+	char *name;
 };
 
 struct module;

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