Backout pmemrange (which to most people is more well known as physmem

allocator).

"i can't see any obvious problems" oga

1 files changed, 0 insertions, 83 deletions

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 <ariane@stack.nl>
- *
- * 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 <uvm/uvm_extern.h>
-#include <uvm/uvm_page.h>
-
-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_ */