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init.h: document the existence of __initconst

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Initdata can be const since more than 5 years, using the __initconst
keyword.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Geert Uytterhoeven 2013-11-12 15:10:19 -08:00 committed by Linus Torvalds
parent 67347fe4e6
commit 65321547c8
1 changed files with 2 additions and 4 deletions
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6
include/linux/init.h
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@ -26,8 +26,8 @@
* extern int initialize_foobar_device(int, int, int) __init; * extern int initialize_foobar_device(int, int, int) __init;
* *
* For initialized data: * For initialized data:
* You should insert __initdata between the variable name and equal * You should insert __initdata or __initconst between the variable name
* sign followed by value, e.g.: * and equal sign followed by value, e.g.:
* *
* static int init_variable __initdata = 0; * static int init_variable __initdata = 0;
* static const char linux_logo[] __initconst = { 0x32, 0x36, ... }; * static const char linux_logo[] __initconst = { 0x32, 0x36, ... };
@ -35,8 +35,6 @@
* Don't forget to initialize data not at file scope, i.e. within a function, * Don't forget to initialize data not at file scope, i.e. within a function,
* as gcc otherwise puts the data into the bss section and not into the init * as gcc otherwise puts the data into the bss section and not into the init
* section. * section.
*
* Also note, that this data cannot be "const".
*/ */
/* These are for everybody (although not all archs will actually /* These are for everybody (although not all archs will actually