[SPARC64]: Fix off-by-1 error in TSB grow check.
The worst part about this bug is what it would cause a hugepage TSB to be allocated for every address space since "0 >= 0". Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -413,12 +413,12 @@ good_area:
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#ifdef CONFIG_HUGETLB_PAGE
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#ifdef CONFIG_HUGETLB_PAGE
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mm_rss -= (mm->context.huge_pte_count * (HPAGE_SIZE / PAGE_SIZE));
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mm_rss -= (mm->context.huge_pte_count * (HPAGE_SIZE / PAGE_SIZE));
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#endif
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#endif
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if (unlikely(mm_rss >=
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if (unlikely(mm_rss >
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mm->context.tsb_block[MM_TSB_BASE].tsb_rss_limit))
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mm->context.tsb_block[MM_TSB_BASE].tsb_rss_limit))
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tsb_grow(mm, MM_TSB_BASE, mm_rss);
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tsb_grow(mm, MM_TSB_BASE, mm_rss);
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#ifdef CONFIG_HUGETLB_PAGE
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#ifdef CONFIG_HUGETLB_PAGE
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mm_rss = mm->context.huge_pte_count;
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mm_rss = mm->context.huge_pte_count;
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if (unlikely(mm_rss >=
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if (unlikely(mm_rss >
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mm->context.tsb_block[MM_TSB_HUGE].tsb_rss_limit))
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mm->context.tsb_block[MM_TSB_HUGE].tsb_rss_limit))
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tsb_grow(mm, MM_TSB_HUGE, mm_rss);
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tsb_grow(mm, MM_TSB_HUGE, mm_rss);
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#endif
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#endif
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