1 (TSBs can be resized)
0 (TSBs remain at tsb_default_size) or 1 (TSBs can be resized)
If set to 0, then tsb_rss_factor is ignored.
Can be set to 0 to prevent growth of the TSBs. Under most circumstances, this parameter should be left at the default setting.
For information, see enable_tsb_rss_sizing (Solaris 10 Releases).