Fix some bogus comments.

src/backend/storage/lmgr/deadlock.c

@@ -12,7 +12,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/storage/lmgr/deadlock.c,v 1.14 2002/10/03 19:17:55 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/storage/lmgr/deadlock.c,v 1.15 2002/11/01 00:40:23 tgl Exp $
  *
  *	Interface:
  *
@@ -172,6 +172,10 @@ InitDeadLockChecking(void)
  * only look at regular locks.
  *
  * We must have already locked the master lock before being called.
+ * NOTE: although the lockmethod structure appears to allow each lock
+ * table to have a different masterLock, all locks that can block had
+ * better use the same LWLock, else this code will not be adequately
+ * interlocked!
  */
 bool
 DeadLockCheck(PGPROC *proc)

src/backend/storage/lmgr/lock.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lock.c,v 1.117 2002/10/31 21:34:16 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/storage/lmgr/lock.c,v 1.118 2002/11/01 00:40:23 tgl Exp $
  *
  * NOTES
  *	  Outside modules can create a lock table and acquire/release
@@ -255,7 +255,7 @@ LockMethodTableInit(char *tabName,
 	/* This is just temp space in this routine, so palloc is OK. */
 	shmemName = (char *) palloc(strlen(tabName) + 32);
 
-	/* each lock table has a non-shared, permanent header */
+	/* each lock table has a header in shared memory */
 	sprintf(shmemName, "%s (lock method table)", tabName);
 	lockMethodTable = (LOCKMETHODTABLE *)
 		ShmemInitStruct(shmemName, sizeof(LOCKMETHODTABLE), &found);