diff options
| author | Jack Steiner <steiner@sgi.com> | 2009-12-15 16:48:13 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 07:20:16 -0800 |
| commit | c550222f64265c9384c45d7f691445386025a82b (patch) | |
| tree | 562d45bf656c8bafc9c0dd5b3897dba5da6ae9a3 /drivers/misc/sgi-gru/grumain.c | |
| parent | 57ebb0342c12f00e7a6d15ba59bb6c3ee501c3af (diff) | |
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>
Diffstat (limited to 'drivers/misc/sgi-gru/grumain.c')
| -rw-r--r-- | drivers/misc/sgi-gru/grumain.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c index ebabbdcbb97f..ade0925eab0e 100644 --- a/drivers/misc/sgi-gru/grumain.c +++ b/drivers/misc/sgi-gru/grumain.c @@ -316,7 +316,8 @@ static struct gru_thread_state *gru_find_current_gts_nolock(struct gru_vma_data * Allocate a thread state structure. */ struct gru_thread_state *gru_alloc_gts(struct vm_area_struct *vma, - int cbr_au_count, int dsr_au_count, int options, int tsid) + int cbr_au_count, int dsr_au_count, + unsigned char tlb_preload_count, int options, int tsid) { struct gru_thread_state *gts; struct gru_mm_struct *gms; @@ -334,6 +335,7 @@ struct gru_thread_state *gru_alloc_gts(struct vm_area_struct *vma, mutex_init(>s->ts_ctxlock); gts->ts_cbr_au_count = cbr_au_count; gts->ts_dsr_au_count = dsr_au_count; + gts->ts_tlb_preload_count = tlb_preload_count; gts->ts_user_options = options; gts->ts_user_blade_id = -1; gts->ts_user_chiplet_id = -1; @@ -403,7 +405,9 @@ struct gru_thread_state *gru_alloc_thread_state(struct vm_area_struct *vma, struct gru_vma_data *vdata = vma->vm_private_data; struct gru_thread_state *gts, *ngts; - gts = gru_alloc_gts(vma, vdata->vd_cbr_au_count, vdata->vd_dsr_au_count, + gts = gru_alloc_gts(vma, vdata->vd_cbr_au_count, + vdata->vd_dsr_au_count, + vdata->vd_tlb_preload_count, vdata->vd_user_options, tsid); if (IS_ERR(gts)) return gts; |