From df471f546425532f5eb23a525aa177e7cebfc201 Mon Sep 17 00:00:00 2001 From: Ariane van der Steldt Date: Tue, 16 Jun 2009 16:42:42 +0000 Subject: Backout pmemrange (which to most people is more well known as physmem allocator). "i can't see any obvious problems" oga --- sys/uvm/uvm_pmemrange.h | 83 ------------------------------------------------- 1 file changed, 83 deletions(-) delete mode 100644 sys/uvm/uvm_pmemrange.h (limited to 'sys/uvm/uvm_pmemrange.h') diff --git a/sys/uvm/uvm_pmemrange.h b/sys/uvm/uvm_pmemrange.h deleted file mode 100644 index 493961f1f9c..00000000000 --- a/sys/uvm/uvm_pmemrange.h +++ /dev/null @@ -1,83 +0,0 @@ -/* $OpenBSD: uvm_pmemrange.h,v 1.3 2009/06/14 02:20:23 deraadt Exp $ */ - -/* - * Copyright (c) 2009 Ariane van der Steldt - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/* - * uvm_pmemrange.h: describe and manage free physical memory. - */ - -#ifndef _UVM_UVM_PMEMRANGE_H_ -#define _UVM_UVM_PMEMRANGE_H_ - -#include -#include - -RB_HEAD(uvm_pmr_addr, vm_page); -RB_HEAD(uvm_pmr_size, vm_page); - -/* - * Page types available: - * - DIRTY: this page may contain random data. - * - ZERO: this page has been zeroed. - */ -#define UVM_PMR_MEMTYPE_DIRTY 1 -#define UVM_PMR_MEMTYPE_ZERO 1 -#define UVM_PMR_MEMTYPE_MAX 2 - -/* - * An address range of memory. - */ -struct uvm_pmemrange { - struct uvm_pmr_addr addr; /* Free page chunks, sorted by addr. */ - struct uvm_pmr_size size[UVM_PMR_MEMTYPE_MAX]; - /* Free page chunks, sorted by size. */ - TAILQ_HEAD(, vm_page) single[UVM_PMR_MEMTYPE_MAX]; - /* single page regions (uses pageq) */ - - paddr_t low; /* Start of address range (pgno). */ - paddr_t high; /* End +1 (pgno). */ - int use; /* Use counter. */ - int nsegs; /* Current range count. */ - - TAILQ_ENTRY(uvm_pmemrange) pmr_use; - /* pmr, sorted by use */ - RB_ENTRY(uvm_pmemrange) pmr_addr; - /* pmr, sorted by address */ -}; - -RB_HEAD(uvm_pmemrange_addr, uvm_pmemrange); -TAILQ_HEAD(uvm_pmemrange_use, uvm_pmemrange); - -/* - * pmr control structure. Contained in uvm.pmr_control. - */ -struct uvm_pmr_control { - struct uvm_pmemrange_addr addr; - struct uvm_pmemrange_use use; -}; - -void uvm_pmr_freepages(struct vm_page *, psize_t); -void uvm_pmr_freepageq(struct pglist *pgl); -int uvm_pmr_getpages(psize_t, paddr_t, paddr_t, paddr_t, paddr_t, - int, int, struct pglist *); -void uvm_pmr_init(void); - -#ifdef DDB -int uvm_pmr_isfree(struct vm_page *pg); -#endif - -#endif /* _UVM_UVM_PMEMRANGE_H_ */ -- cgit v1.2.3