gru: preload tlb for bcopy instructions

Add anticipatory TLB dropins for GRU TLB misses that occur on BCOPY
instructions that copy large amounts of data.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c
index 0a57ab29cd30..54a5a1c35ad1 100644
--- a/drivers/misc/sgi-gru/gruprocfs.c
+++ b/drivers/misc/sgi-gru/gruprocfs.c
@@ -76,6 +76,7 @@ static int statistics_show(struct seq_file *s, void *p)
         printstat(s, check_context_retarget_intr);
         printstat(s, check_context_unload);
         printstat(s, tlb_dropin);
+        printstat(s, tlb_preload_page);
         printstat(s, tlb_dropin_fail_no_asid);
         printstat(s, tlb_dropin_fail_upm);
         printstat(s, tlb_dropin_fail_invalid);
@@ -127,7 +128,8 @@ static int mcs_statistics_show(struct seq_file *s, void *p)
         int op;
         unsigned long total, count, max;
         static char *id[] = {"cch_allocate", "cch_start", "cch_interrupt",
-                "cch_interrupt_sync", "cch_deallocate", "tgh_invalidate"};
+                "cch_interrupt_sync", "cch_deallocate", "tfh_write_only",
+                "tfh_write_restart", "tgh_invalidate"};
 
         seq_printf(s, "%-20s%12s%12s%12s\n", "#id", "count", "aver-clks", "max-clks");
         for (op = 0; op < mcsop_last; op++) {