[TCP]: Allow minimum RTO to be configurable via routing metrics.

[linux-2.6-omap-h63xx.git] / include / linux / init.h

diff --git a/include/linux/init.h b/include/linux/init.h
index 5a593a1dec1efd7f53ab6ac58349db9b996157d2..74b1f43bf9825b260be74c1bf71be116f9bd40fc 100644 (file)
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -40,15 +40,28 @@
 
 /* These are for everybody (although not all archs will actually
    discard it in modules) */
-#define __init         __attribute__ ((__section__ (".init.text")))
+#define __init         __attribute__ ((__section__ (".init.text"))) __cold
 #define __initdata     __attribute__ ((__section__ (".init.data")))
 #define __exitdata     __attribute__ ((__section__(".exit.data")))
 #define __exit_call    __attribute_used__ __attribute__ ((__section__ (".exitcall.exit")))
 
+/* modpost check for section mismatches during the kernel build.
+ * A section mismatch happens when there are references from a
+ * code or data section to an init section (both code or data).
+ * The init sections are (for most archs) discarded by the kernel
+ * when early init has completed so all such references are potential bugs.
+ * For exit sections the same issue exists.
+ * The following markers are used for the cases where the reference to
+ * the init/exit section (code or data) is valid and will teach modpost
+ * not to issue a warning.
+ * The markers follow same syntax rules as __init / __initdata. */
+#define __init_refok     noinline __attribute__ ((__section__ (".text.init.refok")))
+#define __initdata_refok          __attribute__ ((__section__ (".data.init.refok")))
+
 #ifdef MODULE
-#define __exit         __attribute__ ((__section__(".exit.text")))
+#define __exit         __attribute__ ((__section__(".exit.text"))) __cold
 #else
-#define __exit         __attribute_used__ __attribute__ ((__section__(".exit.text")))
+#define __exit         __attribute_used__ __attribute__ ((__section__(".exit.text"))) __cold
 #endif
 
 /* For assembly routines */
@@ -67,11 +80,13 @@ extern initcall_t __con_initcall_start[], __con_initcall_end[];
 extern initcall_t __security_initcall_start[], __security_initcall_end[];
 
 /* Defined in init/main.c */
-extern char saved_command_line[];
+extern char __initdata boot_command_line[];
+extern char *saved_command_line;
 extern unsigned int reset_devices;
 
 /* used by init/main.c */
-extern void setup_arch(char **);
+void setup_arch(char **);
+void prepare_namespace(void);
 
 #endif
   
@@ -99,7 +114,7 @@ extern void setup_arch(char **);
  *
  * This only exists for built-in code, not for modules.
  */
-#define pure_initcall(fn)              __define_initcall("0",fn,1)
+#define pure_initcall(fn)              __define_initcall("0",fn,0)
 
 #define core_initcall(fn)              __define_initcall("1",fn,1)
 #define core_initcall_sync(fn)         __define_initcall("1s",fn,1s)
@@ -156,15 +171,12 @@ struct obs_kernel_param {
 #define __setup(str, fn)                                       \
        __setup_param(str, fn, fn, 0)
 
-#define __obsolete_setup(str)                                  \
-       __setup_null_param(str, __LINE__)
-
 /* NOTE: fn is as per module_param, not __setup!  Emits warning if fn
  * returns non-zero. */
 #define early_param(str, fn)                                   \
        __setup_param(str, fn, fn, 1)
 
-/* Relies on saved_command_line being set */
+/* Relies on boot_command_line being set */
 void __init parse_early_param(void);
 #endif /* __ASSEMBLY__ */
 
@@ -172,7 +184,7 @@ void __init parse_early_param(void);
  * module_init() - driver initialization entry point
  * @x: function to be run at kernel boot time or module insertion
  * 
- * module_init() will either be called during do_initcalls (if
+ * module_init() will either be called during do_initcalls() (if
  * builtin) or at module insertion time (if a module).  There can only
  * be one per module.
  */
@@ -224,10 +236,9 @@ void __init parse_early_param(void);
 #define __setup_param(str, unique_id, fn)      /* nothing */
 #define __setup_null_param(str, unique_id)     /* nothing */
 #define __setup(str, func)                     /* nothing */
-#define __obsolete_setup(str)                  /* nothing */
 #endif
 
-/* Data marked not to be saved by software_suspend() */
+/* Data marked not to be saved by software suspend */
 #define __nosavedata __attribute__ ((__section__ (".data.nosave")))
 
 /* This means "can be init if no module support, otherwise module load