Date: Sun, 1 Jan 2012 21:46:16 +0000 (UTC) From: Attilio Rao <attilio@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r229214 - user/attilio/vmcontention/sys/vm Message-ID: <201201012146.q01LkGIo032362@svn.freebsd.org>
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Author: attilio Date: Sun Jan 1 21:46:16 2012 New Revision: 229214 URL: http://svn.freebsd.org/changeset/base/229214 Log: Fix a spot missed during the last merge. Modified: user/attilio/vmcontention/sys/vm/vm_reserv.c Modified: user/attilio/vmcontention/sys/vm/vm_reserv.c ============================================================================== --- user/attilio/vmcontention/sys/vm/vm_reserv.c Sun Jan 1 21:43:14 2012 (r229213) +++ user/attilio/vmcontention/sys/vm/vm_reserv.c Sun Jan 1 21:46:16 2012 (r229214) @@ -495,33 +495,21 @@ vm_reserv_alloc_page(vm_object_t object, /* * Look for an existing reservation. */ - msucc = NULL; - mpred = object->root; - while (mpred != NULL) { + mpred = vm_radix_lookup_le(&object->rtree, pindex, VM_RADIX_BLACK); + if (mpred != NULL) { KASSERT(mpred->pindex != pindex, ("vm_reserv_alloc_page: pindex already allocated")); rv = vm_reserv_from_page(mpred); if (rv->object == object && vm_reserv_has_pindex(rv, pindex)) goto found; - else if (mpred->pindex < pindex) { - if (msucc != NULL || - (msucc = TAILQ_NEXT(mpred, listq)) == NULL) - break; - KASSERT(msucc->pindex != pindex, - ("vm_reserv_alloc_page: pindex already allocated")); - rv = vm_reserv_from_page(msucc); - if (rv->object == object && - vm_reserv_has_pindex(rv, pindex)) - goto found; - else if (pindex < msucc->pindex) - break; - } else if (msucc == NULL) { - msucc = mpred; - mpred = TAILQ_PREV(msucc, pglist, listq); - continue; - } - msucc = NULL; - mpred = object->root = vm_page_splay(pindex, object->root); + } + msucc = vm_radix_lookup_ge(&object->rtree, pindex, VM_RADIX_BLACK); + if (msucc != NULL) { + KASSERT(msucc->pindex != pindex, + ("vm_reserv_alloc_page: pindex already allocated")); + rv = vm_reserv_from_page(msucc); + if (rv->object == object && vm_reserv_has_pindex(rv, pindex)) + goto found; } /*
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