diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-11-26 08:22:50 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-11-26 08:22:50 +0100 |
commit | 7fbb8759eff9a348efa5f352ffaa51c364837c4b (patch) | |
tree | d40cd3f47b9f667ba94d9613270132080dcb6a1a /arch/sh/include/asm/thread_info.h | |
parent | 6003ab0bad4cc56f3c4fadf62a0d23a967b9c53b (diff) | |
parent | 13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff) |
Merge commit 'v2.6.28-rc6' into core/debug
Diffstat (limited to 'arch/sh/include/asm/thread_info.h')
-rw-r--r-- | arch/sh/include/asm/thread_info.h | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h index 0a894cafb1d..f09ac480629 100644 --- a/arch/sh/include/asm/thread_info.h +++ b/arch/sh/include/asm/thread_info.h @@ -33,20 +33,12 @@ struct thread_info { #define PREEMPT_ACTIVE 0x10000000 #if defined(CONFIG_4KSTACKS) -#define THREAD_SIZE_ORDER (0) -#elif defined(CONFIG_PAGE_SIZE_4KB) -#define THREAD_SIZE_ORDER (1) -#elif defined(CONFIG_PAGE_SIZE_8KB) -#define THREAD_SIZE_ORDER (1) -#elif defined(CONFIG_PAGE_SIZE_16KB) -#define THREAD_SIZE_ORDER (0) -#elif defined(CONFIG_PAGE_SIZE_64KB) -#define THREAD_SIZE_ORDER (0) +#define THREAD_SHIFT 12 #else -#error "Unknown thread size" +#define THREAD_SHIFT 13 #endif -#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) +#define THREAD_SIZE (1 << THREAD_SHIFT) #define STACK_WARN (THREAD_SIZE >> 3) /* @@ -94,15 +86,19 @@ static inline struct thread_info *current_thread_info(void) return ti; } +/* thread information allocation */ +#if THREAD_SHIFT >= PAGE_SHIFT + +#define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT) + +#else /* THREAD_SHIFT < PAGE_SHIFT */ + #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR -/* thread information allocation */ -#ifdef CONFIG_DEBUG_STACK_USAGE -#define alloc_thread_info(ti) kzalloc(THREAD_SIZE, GFP_KERNEL) -#else -#define alloc_thread_info(ti) kmalloc(THREAD_SIZE, GFP_KERNEL) -#endif -#define free_thread_info(ti) kfree(ti) +extern struct thread_info *alloc_thread_info(struct task_struct *tsk); +extern void free_thread_info(struct thread_info *ti); + +#endif /* THREAD_SHIFT < PAGE_SHIFT */ #endif /* __ASSEMBLY__ */ |