commit 438846043af39fef286f68b197d42bd75f49898e
author Jack Steiner <steiner@sgi.com> Thu Apr 02 16:59:05 2009 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> Thu Apr 02 19:05:05 2009 -0700
tree e73bd2e6cdbc2e2ca8a1daac2651f6efb5fc84fd
parent fe5bb6b00c3a9374841d651e01694fe4190a677e

sgi-gru: improvements to GRU debug messages & statistics

Improvements to GRU debug messages & statistics.

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>

drivers/misc/sgi-gru/grufault.c

diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c
index f85d273..61aa80a 100644
--- a/drivers/misc/sgi-gru/grufault.c
+++ b/drivers/misc/sgi-gru/grufault.c
@@ -449,6 +449,7 @@
 			up_read(&gts->ts_mm->mmap_sem);
 		} else {
 			tfh_user_polling_mode(tfh);
+			STAT(intr_mm_lock_failed);
 		}
 	}
 	return IRQ_HANDLED;
@@ -508,8 +509,10 @@
 	 * context.
 	 */
 	if (gts->ts_tgid_owner == current->tgid && gts->ts_blade >= 0 &&
-				gts->ts_blade != uv_numa_blade_id())
+				gts->ts_blade != uv_numa_blade_id()) {
+		STAT(call_os_offnode_reference);
 		gts->ts_force_unload = 1;
+	}
 
 	ret = -EAGAIN;
 	cbrnum = thread_cbr_number(gts, ucbnum);