commit c550222f64265c9384c45d7f691445386025a82b
author Jack Steiner <steiner@sgi.com> Tue Dec 15 16:48:13 2009 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> Wed Dec 16 07:20:16 2009 -0800
tree 562d45bf656c8bafc9c0dd5b3897dba5da6ae9a3
parent 57ebb0342c12f00e7a6d15ba59bb6c3ee501c3af

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>

drivers/misc/sgi-gru/grufile.c

diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index 9d41208..cb3b4d2 100644
--- a/drivers/misc/sgi-gru/grufile.c
+++ b/drivers/misc/sgi-gru/grufile.c
@@ -152,6 +152,7 @@
 		vdata->vd_dsr_au_count =
 		    GRU_DS_BYTES_TO_AU(req.data_segment_bytes);
 		vdata->vd_cbr_au_count = GRU_CB_COUNT_TO_AU(req.control_blocks);
+		vdata->vd_tlb_preload_count = req.tlb_preload_count;
 		ret = 0;
 	}
 	up_write(&current->mm->mmap_sem);