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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 <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
FUJITA Tomonori
2008-07-25 01:45:40 -07:00
committed by Linus Torvalds
parent 62ec30d45e
commit b69c49b784
23 changed files with 50 additions and 80 deletions
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2
include/asm-m32r/thread_info.h
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@@ -94,6 +94,8 @@ static inline struct thread_info *current_thread_info(void)
return ti;
}
#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
/* thread information allocation */
#ifdef CONFIG_DEBUG_STACK_USAGE
#define alloc_thread_info(tsk) \