commit dcc1e8dd88d4bc55e32a26dad7633d20ffe606d2
author David S. Miller <davem@davemloft.net> Wed Mar 22 00:49:59 2006 -0800
committer David S. Miller <davem@sunset.davemloft.net> Wed Mar 22 01:15:14 2006 -0800
tree a47592213d94f918867d3dd81bb91dac3e727dea
parent 14778d9072e53d2171f66ffd9657daff41acfaed

[SPARC64]: Add a secondary TSB for hugepage mappings.

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc64/mm/fault.c

diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c
index 63b6cc0..d21ff32 100644
--- a/arch/sparc64/mm/fault.c
+++ b/arch/sparc64/mm/fault.c
@@ -410,9 +410,18 @@
 	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;
 
 	/*