kernel.h: remove initialization of bool in printk_once
Don't initialize __print_once. Invert the test to reduce initialized data. defconfig before: $size vmlinux text data bss dec hex filename 6976022 679572 1359668 9015262 898fde vmlinux defconfig after: $size vmlinux text data bss dec hex filename 6976006 679508 1359700 9015214 898fae vmlinux Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Родитель
196a15b4ee
Коммит
0b2749aa6c
|
@ -251,10 +251,10 @@ extern int printk_delay_msec;
|
|||
* Print a one-time message (analogous to WARN_ONCE() et al):
|
||||
*/
|
||||
#define printk_once(x...) ({ \
|
||||
static bool __print_once = true; \
|
||||
static bool __print_once; \
|
||||
\
|
||||
if (__print_once) { \
|
||||
__print_once = false; \
|
||||
if (!__print_once) { \
|
||||
__print_once = true; \
|
||||
printk(x); \
|
||||
} \
|
||||
})
|
||||
|
|
Загрузка…
Ссылка в новой задаче