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initconst adjustments

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- add .init.rodata to INIT_DATA, and group all initconst flavors
  together
- move strings generated from __setup_param() into .init.rodata
- add .*init.rodata to modpost's sets of init sections
- make modpost warn about references between meminit and cpuinit
  as well as memexit and cpuexit sections (as CPU and memory
  hotplug are independently selectable features)

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Jan Beulich 2009-03-12 10:58:33 +00:00 • committed by Sam Ravnborg
parent 6d9923219c
commit fd6c3a8dc4
3 changed files with 43 additions and 13 deletions
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3
include/linux/init.h
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@ -225,7 +225,8 @@ struct obs_kernel_param {
* obs_kernel_param "array" too far apart in .init.setup.
*/
#define __setup_param(str, unique_id, fn, early) \
static char __setup_str_##unique_id[] __initdata __aligned(1) = str; \
static const char __setup_str_##unique_id[] __initconst \
__aligned(1) = str; \
static struct obs_kernel_param __setup_##unique_id \
__used __section(.init.setup) \
__attribute__((aligned((sizeof(long))))) \