From dcc1e8dd88d4bc55e32a26dad7633d20ffe606d2 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Wed, 22 Mar 2006 00:49:59 -0800 Subject: [SPARC64]: Add a secondary TSB for hugepage mappings. Signed-off-by: David S. Miller --- arch/sparc64/mm/fault.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) (limited to 'arch/sparc64/mm/fault.c') diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c index 63b6cc0cd5d..d21ff3230c0 100644 --- a/arch/sparc64/mm/fault.c +++ b/arch/sparc64/mm/fault.c @@ -410,9 +410,18 @@ good_area: up_read(&mm->mmap_sem); mm_rss = get_mm_rss(mm); - if (unlikely(mm_rss >= mm->context.tsb_rss_limit)) - tsb_grow(mm, mm_rss); - +#ifdef CONFIG_HUGETLB_PAGE + mm_rss -= (mm->context.huge_pte_count * (HPAGE_SIZE / PAGE_SIZE)); +#endif + if (unlikely(mm_rss >= + mm->context.tsb_block[MM_TSB_BASE].tsb_rss_limit)) + tsb_grow(mm, MM_TSB_BASE, mm_rss); +#ifdef CONFIG_HUGETLB_PAGE + mm_rss = mm->context.huge_pte_count; + if (unlikely(mm_rss >= + mm->context.tsb_block[MM_TSB_HUGE].tsb_rss_limit)) + tsb_grow(mm, MM_TSB_HUGE, mm_rss); +#endif return; /* -- cgit v1.2.3-70-g09d2