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authorDavid S. Miller <davem@sunset.davemloft.net>2006-02-01 02:13:29 -0500
committerDavid S. Miller <davem@sunset.davemloft.net>2006-03-20 04:11:31 -0500
commitb0fd4e49aea8a460afab7bc67cd618e2d19291d4 (patch)
treea596c793cbc918bdcea462bcfe2f2f41fe8afeb2
parent30a6ecad9670d97c9d0fbfa7d80970aeb339bdec (diff)
[SPARC64]: Kill out-of-date commentary in asm-sparc64/tsb.h
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/asm-sparc64/tsb.h8
1 files changed, 0 insertions, 8 deletions
diff --git a/include/asm-sparc64/tsb.h b/include/asm-sparc64/tsb.h
index 1addd91d7200..f384565212fe 100644
--- a/include/asm-sparc64/tsb.h
+++ b/include/asm-sparc64/tsb.h
@@ -37,14 +37,6 @@
37 * choose to use bit 47 in the tag. Also, since we never map anything 37 * choose to use bit 47 in the tag. Also, since we never map anything
38 * at page zero in context zero, we use zero as an invalid tag entry. 38 * at page zero in context zero, we use zero as an invalid tag entry.
39 * When the lock bit is set, this forces a tag comparison failure. 39 * When the lock bit is set, this forces a tag comparison failure.
40 *
41 * Currently, we allocate an 8K TSB per-process and we use it for both
42 * I-TLB and D-TLB misses. Perhaps at some point we'll add code that
43 * monitors the number of active pages in the process as we get
44 * major/minor faults, and grow the TSB in response. The only trick
45 * in implementing that is synchronizing the freeing of the old TSB
46 * wrt. parallel TSB updates occuring on other processors. On
47 * possible solution is to use RCU for the freeing of the TSB.
48 */ 40 */
49 41
50#define TSB_TAG_LOCK_BIT 47 42#define TSB_TAG_LOCK_BIT 47