diff options
Diffstat (limited to 'sys/uvm/uvm_aobj.c')
| -rw-r--r-- | sys/uvm/uvm_aobj.c | 46 |
1 files changed, 1 insertions, 45 deletions
diff --git a/sys/uvm/uvm_aobj.c b/sys/uvm/uvm_aobj.c index 0f7770a4707..ad2509f3bc2 100644 --- a/sys/uvm/uvm_aobj.c +++ b/sys/uvm/uvm_aobj.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_aobj.c,v 1.39 2009/05/08 13:50:15 ariane Exp $ */ +/* $OpenBSD: uvm_aobj.c,v 1.40 2009/06/01 19:54:02 oga Exp $ */ /* $NetBSD: uvm_aobj.c,v 1.39 2001/02/18 21:19:08 chs Exp $ */ /* @@ -174,7 +174,6 @@ boolean_t uao_flush(struct uvm_object *, voff_t, voff_t, int); void uao_free(struct uvm_aobj *); int uao_get(struct uvm_object *, voff_t, vm_page_t *, int *, int, vm_prot_t, int, int); -boolean_t uao_releasepg(struct vm_page *, struct vm_page **); boolean_t uao_pagein(struct uvm_aobj *, int, int); boolean_t uao_pagein_page(struct uvm_aobj *, int); @@ -191,10 +190,6 @@ struct uvm_pagerops aobj_pager = { NULL, /* fault */ uao_flush, /* flush */ uao_get, /* get */ - NULL, /* put (done by pagedaemon) */ - NULL, /* cluster */ - NULL, /* mk_pcluster */ - uao_releasepg /* releasepg */ }; /* @@ -1142,45 +1137,6 @@ uao_get(struct uvm_object *uobj, voff_t offset, struct vm_page **pps, } /* - * uao_releasepg: handle released page in an aobj - * - * => "pg" is a PG_BUSY [caller owns it], PG_RELEASED page that we need - * to dispose of. - * => caller must handle PG_WANTED case - * => called with page's object locked, pageq's unlocked - * => returns TRUE if page's object is still alive, FALSE if we - * killed the page's object. if we return TRUE, then we - * return with the object locked. - * => if (nextpgp != NULL) => we return the next page on the queue, and return - * with the page queues locked [for pagedaemon] - * => if (nextpgp == NULL) => we return with page queues unlocked [normal case] - * => we kill the aobj if it is not referenced and we are suppose to - * kill it ("KILLME"). - */ -boolean_t -uao_releasepg(struct vm_page *pg, struct vm_page **nextpgp /* OUT */) -{ - struct uvm_aobj *aobj = (struct uvm_aobj *) pg->uobject; - - KASSERT(pg->pg_flags & PG_RELEASED); - - /* - * dispose of the page [caller handles PG_WANTED] and swap slot. - */ - pmap_page_protect(pg, VM_PROT_NONE); - uao_dropswap(&aobj->u_obj, pg->offset >> PAGE_SHIFT); - uvm_lock_pageq(); - if (nextpgp) - *nextpgp = TAILQ_NEXT(pg, pageq); /* next page for daemon */ - uvm_pagefree(pg); - if (!nextpgp) - uvm_unlock_pageq(); /* keep locked for daemon */ - - return TRUE; -} - - -/* * uao_dropswap: release any swap resources from this aobj page. * * => aobj must be locked or have a reference count of 0. |