sgi-gru: support multiple pagesizes in GRU

Add multiple pagesize support to the GRU driver.

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, 0 deletions

diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h
index 8e5c8e5bb533..bf1eeb7553ed 100644
--- a/drivers/misc/sgi-gru/grutables.h
+++ b/drivers/misc/sgi-gru/grutables.h
@@ -361,6 +361,7 @@ struct gru_thread_state {
         long                    ts_user_options;/* misc user option flags */
         pid_t                   ts_tgid_owner;  /* task that is using the
                                                    context - for migration */
+        unsigned short          ts_sizeavail;   /* Pagesizes in use */
         int                     ts_tsid;        /* thread that owns the
                                                    structure */
         int                     ts_tlb_int_select;/* target cpu if interrupts
@@ -374,6 +375,7 @@ struct gru_thread_state {
                                                    required for contest */
         char                    ts_blade;       /* If >= 0, migrate context if
                                                    ref from diferent blade */
+        char                    ts_force_cch_reload;
         char                    ts_force_unload;/* force context to be unloaded
                                                    after migration */
         char                    ts_cbr_idx[GRU_CBR_AU];/* CBR numbers of each
@@ -597,6 +599,7 @@ extern struct gru_thread_state *gru_find_thread_state(struct vm_area_struct
 extern struct gru_thread_state *gru_alloc_thread_state(struct vm_area_struct
                                 *vma, int tsid);
 extern void gru_unload_context(struct gru_thread_state *gts, int savestate);
+extern int gru_update_cch(struct gru_thread_state *gts, int force_unload);
 extern void gts_drop(struct gru_thread_state *gts);
 extern void gru_tgh_flush_init(struct gru_state *gru);
 extern int gru_kservices_init(struct gru_state *gru);