[PATCH] sched: reduce task_struct size

[safe/jmp/linux-2.6] / include / linux / module.h

diff --git a/include/linux/module.h b/include/linux/module.h
index 419d3ef..b6a646c 100644 (file)
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -6,7 +6,6 @@
  * Rewritten by Richard Henderson <rth@tamu.edu> Dec 1996
  * Rewritten again by Rusty Russell, 2002
  */
-#include <linux/spinlock.h>
 #include <linux/list.h>
 #include <linux/stat.h>
 #include <linux/compiler.h>
@@ -76,8 +75,6 @@ void sort_extable(struct exception_table_entry *start,
                  struct exception_table_entry *finish);
 void sort_main_extable(void);
 
-extern struct subsystem module_subsys;
-
 #ifdef MODULE
 #define MODULE_GENERIC_TABLE(gtype,name)                       \
 extern const struct gtype##_id __mod_##gtype##_table           \
@@ -126,7 +123,7 @@ extern struct module __this_module;
  */
 #define MODULE_LICENSE(_license) MODULE_INFO(license, _license)
 
-/* Author, ideally of form NAME <EMAIL>[, NAME <EMAIL>]*[ and NAME <EMAIL>] */
+/* Author, ideally of form NAME[, NAME]*[ and NAME] */
 #define MODULE_AUTHOR(_author) MODULE_INFO(author, _author)
   
 /* What your module does. */
@@ -358,6 +355,9 @@ struct module
           keeping pointers to this stuff */
        char *args;
 };
+#ifndef MODULE_ARCH_INIT
+#define MODULE_ARCH_INIT {}
+#endif
 
 /* FIXME: It'd be nice to isolate modules during init, too, so they
    aren't used before they (may) fail.  But presently too much code
@@ -372,16 +372,14 @@ struct module *module_text_address(unsigned long addr);
 struct module *__module_text_address(unsigned long addr);
 int is_module_address(unsigned long addr);
 
-/* Returns module and fills in value, defined and namebuf, or NULL if
+/* Returns 0 and fills in value, defined and namebuf, or -ERANGE if
    symnum out of range. */
-struct module *module_get_kallsym(unsigned int symnum, unsigned long *value,
-                               char *type, char *name, size_t namelen);
+int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type,
+                       char *name, char *module_name, int *exported);
 
 /* Look for this name: can be of form module:name. */
 unsigned long module_kallsyms_lookup_name(const char *name);
 
-int is_exported(const char *name, const struct module *mod);
-
 extern void __module_put_and_exit(struct module *mod, long code)
        __attribute__((noreturn));
 #define module_put_and_exit(code) __module_put_and_exit(THIS_MODULE, code);
@@ -458,6 +456,8 @@ const char *module_address_lookup(unsigned long addr,
                                  unsigned long *symbolsize,
                                  unsigned long *offset,
                                  char **modname);
+int lookup_module_symbol_name(unsigned long addr, char *symname);
+int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name);
 
 /* For extable.c to search modules' exception tables. */
 const struct exception_table_entry *search_module_extables(unsigned long addr);
@@ -467,10 +467,6 @@ int unregister_module_notifier(struct notifier_block * nb);
 
 extern void print_modules(void);
 
-struct device_driver;
-void module_add_driver(struct module *, struct device_driver *);
-void module_remove_driver(struct device_driver *);
-
 #else /* !CONFIG_MODULES... */
 #define EXPORT_SYMBOL(sym)
 #define EXPORT_SYMBOL_GPL(sym)
@@ -533,20 +529,24 @@ static inline const char *module_address_lookup(unsigned long addr,
        return NULL;
 }
 
-static inline struct module *module_get_kallsym(unsigned int symnum,
-                                               unsigned long *value,
-                                               char *type, char *name,
-                                               size_t namelen)
+static inline int lookup_module_symbol_name(unsigned long addr, char *symname)
 {
-       return NULL;
+       return -ERANGE;
 }
 
-static inline unsigned long module_kallsyms_lookup_name(const char *name)
+static inline int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name)
 {
-       return 0;
+       return -ERANGE;
 }
 
-static inline int is_exported(const char *name, const struct module *mod)
+static inline int module_get_kallsym(unsigned int symnum, unsigned long *value,
+                                       char *type, char *name,
+                                       char *module_name, int *exported)
+{
+       return -ERANGE;
+}
+
+static inline unsigned long module_kallsyms_lookup_name(const char *name)
 {
        return 0;
 }
@@ -568,18 +568,59 @@ static inline void print_modules(void)
 {
 }
 
+#endif /* CONFIG_MODULES */
+
 struct device_driver;
+#ifdef CONFIG_SYSFS
 struct module;
 
-static inline void module_add_driver(struct module *module, struct device_driver *driver)
+extern struct kset module_subsys;
+
+int mod_sysfs_init(struct module *mod);
+int mod_sysfs_setup(struct module *mod,
+                          struct kernel_param *kparam,
+                          unsigned int num_params);
+int module_add_modinfo_attrs(struct module *mod);
+void module_remove_modinfo_attrs(struct module *mod);
+
+#else /* !CONFIG_SYSFS */
+
+static inline int mod_sysfs_init(struct module *mod)
 {
+       return 0;
 }
 
-static inline void module_remove_driver(struct device_driver *driver)
+static inline int mod_sysfs_setup(struct module *mod,
+                          struct kernel_param *kparam,
+                          unsigned int num_params)
 {
+       return 0;
 }
 
-#endif /* CONFIG_MODULES */
+static inline int module_add_modinfo_attrs(struct module *mod)
+{
+       return 0;
+}
+
+static inline void module_remove_modinfo_attrs(struct module *mod)
+{ }
+
+#endif /* CONFIG_SYSFS */
+
+#if defined(CONFIG_SYSFS) && defined(CONFIG_MODULES)
+
+void module_add_driver(struct module *mod, struct device_driver *drv);
+void module_remove_driver(struct device_driver *drv);
+
+#else /* not both CONFIG_SYSFS && CONFIG_MODULES */
+
+static inline void module_add_driver(struct module *mod, struct device_driver *drv)
+{ }
+
+static inline void module_remove_driver(struct device_driver *drv)
+{ }
+
+#endif
 
 #define symbol_request(x) try_then_request_module(symbol_get(x), "symbol:" #x)