patch sccs-keywords
patch vm-cleanup

*** 22,34 ****
  /*
   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
- 
  #include <sys/types.h>
  #include <sys/cmn_err.h>
  #include <sys/mman.h>
  #include <sys/systm.h>
  #include <vm/xhat.h>
--- 22,31 ----
*** 376,443 ****
  
          return (0);
  }
  
  
- /* Assumes that address space is already locked */
- void
- xhat_swapout_all(struct as *as)
- {
-         struct xhat *xh, *xh_nxt;
- 
- 
-         ASSERT(AS_ISBUSY(as));
- 
-         mutex_enter(&as->a_contents);
-         xh = (struct xhat *)as->a_xhat;
- 
-         if (xh != NULL) {
-                 xhat_hat_hold(xh);
-                 ASSERT(xh->holder == NULL);
-                 xh->holder = curthread;
-         }
- 
- 
-         while (xh != NULL) {
- 
-                 xh_nxt = xh->next;
-                 if (xh_nxt != NULL) {
-                         ASSERT(xh_nxt->holder == NULL);
-                         xhat_hat_hold(xh_nxt);
-                         xh_nxt->holder = curthread;
-                 }
- 
-                 mutex_exit(&as->a_contents);
- 
-                 XHAT_SWAPOUT(xh);
- 
-                 mutex_enter(&as->a_contents);
- 
-                 /*
-                  * If the xh is still there (i.e. swapout did not
-                  * destroy it), clear the holder field.
-                  * xh_nxt->prev couldn't have been changed in xhat_attach_xhat()
-                  * because AS_BUSY is set. xhat_detach_xhat() also couldn't
-                  * have modified it because (holder != NULL).
-                  * If there is only one XHAT, just see if a_xhat still
-                  * points to us.
-                  */
-                 if (((xh_nxt != NULL) && (xh_nxt->prev == xh)) ||
-                     ((as->a_xhat != NULL) && (as->a_xhat == xh))) {
-                         xhat_hat_rele(xh);
-                         xh->holder = NULL;
-                 }
- 
-                 xh = xh_nxt;
-         }
- 
-         mutex_exit(&as->a_contents);
- }
- 
- 
- 
- 
  /*
   * In the following routines, the appropriate xhat_op
   * should never attempt to call xhat_detach_xhat(): it will
   * never succeed since the XHAT is held.
   */
--- 373,382 ----