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authorDavid S. Miller <davem@davemloft.net>2006-03-22 00:49:59 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-03-22 01:15:14 -0800
commitdcc1e8dd88d4bc55e32a26dad7633d20ffe606d2 (patch)
treea47592213d94f918867d3dd81bb91dac3e727dea /include/asm-sparc64/mmu_context.h
parent14778d9072e53d2171f66ffd9657daff41acfaed (diff)
downloadblackbird-op-linux-dcc1e8dd88d4bc55e32a26dad7633d20ffe606d2.tar.gz
blackbird-op-linux-dcc1e8dd88d4bc55e32a26dad7633d20ffe606d2.zip
[SPARC64]: Add a secondary TSB for hugepage mappings.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc64/mmu_context.h')
-rw-r--r--include/asm-sparc64/mmu_context.h21
1 files changed, 13 insertions, 8 deletions
diff --git a/include/asm-sparc64/mmu_context.h b/include/asm-sparc64/mmu_context.h
index e7974321d052..2337eb487719 100644
--- a/include/asm-sparc64/mmu_context.h
+++ b/include/asm-sparc64/mmu_context.h
@@ -29,20 +29,25 @@ extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
extern void destroy_context(struct mm_struct *mm);
extern void __tsb_context_switch(unsigned long pgd_pa,
- unsigned long tsb_reg,
- unsigned long tsb_vaddr,
- unsigned long tsb_pte,
+ struct tsb_config *tsb_base,
+ struct tsb_config *tsb_huge,
unsigned long tsb_descr_pa);
static inline void tsb_context_switch(struct mm_struct *mm)
{
- __tsb_context_switch(__pa(mm->pgd), mm->context.tsb_reg_val,
- mm->context.tsb_map_vaddr,
- mm->context.tsb_map_pte,
- __pa(&mm->context.tsb_descr));
+ __tsb_context_switch(__pa(mm->pgd),
+ &mm->context.tsb_block[0],
+#ifdef CONFIG_HUGETLB_PAGE
+ (mm->context.tsb_block[1].tsb ?
+ &mm->context.tsb_block[1] :
+ NULL)
+#else
+ NULL
+#endif
+ , __pa(&mm->context.tsb_descr[0]));
}
-extern void tsb_grow(struct mm_struct *mm, unsigned long mm_rss);
+extern void tsb_grow(struct mm_struct *mm, unsigned long tsb_index, unsigned long mm_rss);
#ifdef CONFIG_SMP
extern void smp_tsb_sync(struct mm_struct *mm);
#else
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