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clean up duplicated alloc/free_thread_info

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We duplicate alloc/free_thread_info defines on many platforms (the
majority uses __get_free_pages/free_pages).  This patch defines common
defines and removes these duplicated defines.
__HAVE_ARCH_THREAD_INFO_ALLOCATOR is introduced for platforms that do
something different.

Signed-off-by: FUJITA Tomonori <[email protected]>
Acked-by: Russell King <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
FUJITA Tomonori 2008-07-25 01:45:40 -07:00 • committed by Linus Torvalds
commit b69c49b784
23 changed files with 50 additions and 80 deletions
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5
include/asm-s390/thread_info.h
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@ -78,10 +78,7 @@ static inline struct thread_info *current_thread_info(void)
return (struct thread_info *)((*(unsigned long *) __LC_KERNEL_STACK)-THREAD_SIZE);
}
/* thread information allocation */
#define alloc_thread_info(tsk) ((struct thread_info *) \
__get_free_pages(GFP_KERNEL,THREAD_ORDER))
#define free_thread_info(ti) free_pages((unsigned long) (ti),THREAD_ORDER)
#define THREAD_SIZE_ORDER THREAD_ORDER
#endif