diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2006-12-26 15:29:19 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2007-02-13 10:54:44 +0900 |
| commit | 7a847f819063b80cc5b38d39e8aad4d60f6ca2fd (patch) | |
| tree | f60ac00a1860d188e83f31883df7be807e500bff /include/asm-sh/thread_info.h | |
| parent | aa4a5db52a440d32eab134bfb79d2c9af71eedb4 (diff) | |
sh: More tidying for large base pages.
There were a few more things that needed fixing up, namely THREAD_SIZE
and the TLB miss handler where certain PTRS_PER_PGD == PTRS_PER_PTE
assumptions were being made.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include/asm-sh/thread_info.h')
| -rw-r--r-- | include/asm-sh/thread_info.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/include/asm-sh/thread_info.h b/include/asm-sh/thread_info.h index 879f741105d..279e70a77c7 100644 --- a/include/asm-sh/thread_info.h +++ b/include/asm-sh/thread_info.h @@ -32,12 +32,20 @@ struct thread_info { #define PREEMPT_ACTIVE 0x10000000 -#ifdef CONFIG_4KSTACKS -#define THREAD_SIZE (PAGE_SIZE) +#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_64KB) +#define THREAD_SIZE_ORDER (0) #else -#define THREAD_SIZE (PAGE_SIZE * 2) +#error "Unknown thread size" #endif -#define STACK_WARN (THREAD_SIZE / 8) + +#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) +#define STACK_WARN (THREAD_SIZE >> 3) /* * macros/functions for gaining access to the thread information structure |