track number of pages associated with vm object
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@ -1,4 +1,4 @@
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/* $NetBSD: vm.c,v 1.58 2009/06/10 11:41:43 he Exp $ */
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/* $NetBSD: vm.c,v 1.59 2009/08/03 17:10:51 pooka Exp $ */
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/*
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* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
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@ -42,7 +42,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: vm.c,v 1.58 2009/06/10 11:41:43 he Exp $");
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__KERNEL_RCSID(0, "$NetBSD: vm.c,v 1.59 2009/08/03 17:10:51 pooka Exp $");
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#include <sys/param.h>
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#include <sys/atomic.h>
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@ -103,6 +103,7 @@ rumpvm_makepage(struct uvm_object *uobj, voff_t off)
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pg->flags = PG_CLEAN|PG_BUSY|PG_FAKE;
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TAILQ_INSERT_TAIL(&uobj->memq, pg, listq.queue);
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uobj->uo_npages++;
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return pg;
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}
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@ -120,6 +121,7 @@ uvm_pagefree(struct vm_page *pg)
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if (pg->flags & PG_WANTED)
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wakeup(pg);
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uobj->uo_npages--;
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TAILQ_REMOVE(&uobj->memq, pg, listq.queue);
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kmem_free((void *)pg->uanon, PAGE_SIZE);
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kmem_free(pg, sizeof(*pg));
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