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sh: More tidying for large base pages.

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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>
This commit is contained in:
Paul Mundt
2006-12-26 15:29:19 +09:00
parent aa4a5db52a
commit 7a847f8190
4 changed files with 19 additions and 13 deletions
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16
include/asm-sh/thread_info.h
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@@ -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