1/*-
2 * Copyright (c) 1991 Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * The Mach Operating System project at Carnegie-Mellon University.
7 *
8 * Redistribution and use in source and binary forms, with or without
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92 * and free queues are actually arrays already.
93 */
94
95/*
96 * Resident memory management module.
97 */
98
99#include <sys/cdefs.h>
100__FBSDID("$FreeBSD: head/sys/vm/vm_page.c 151104 2005-10-08 21:03:54Z des $");
101
102#include <sys/param.h>
103#include <sys/systm.h>
104#include <sys/lock.h>
105#include <sys/kernel.h>
106#include <sys/malloc.h>
107#include <sys/mutex.h>
108#include <sys/proc.h>
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224 /*
225 * Allocate memory for use when boot strapping the kernel memory
226 * allocator.
227 */
228 new_end = end - (boot_pages * UMA_SLAB_SIZE);
229 new_end = trunc_page(new_end);
230 mapped = pmap_map(&vaddr, new_end, end,
231 VM_PROT_READ | VM_PROT_WRITE);
232 bzero((void *)mapped, end - new_end);
233 uma_startup((void *)mapped, boot_pages);
234
235 /*
236 * Compute the number of pages of memory that will be available for
237 * use (taking into account the overhead of a page structure per
238 * page).
239 */
240 first_page = phys_avail[0] / PAGE_SIZE;
241 page_range = phys_avail[(nblocks - 1) * 2 + 1] / PAGE_SIZE - first_page;
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2 * Copyright (c) 1991 Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * The Mach Operating System project at Carnegie-Mellon University.
7 *
8 * Redistribution and use in source and binary forms, with or without
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92 * and free queues are actually arrays already.
93 */
94
95/*
96 * Resident memory management module.
97 */
98
99#include <sys/cdefs.h>
100__FBSDID("$FreeBSD: head/sys/vm/vm_page.c 151104 2005-10-08 21:03:54Z des $");
101
102#include <sys/param.h>
103#include <sys/systm.h>
104#include <sys/lock.h>
105#include <sys/kernel.h>
106#include <sys/malloc.h>
107#include <sys/mutex.h>
108#include <sys/proc.h>
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224 /*
225 * Allocate memory for use when boot strapping the kernel memory
226 * allocator.
227 */
228 new_end = end - (boot_pages * UMA_SLAB_SIZE);
229 new_end = trunc_page(new_end);
230 mapped = pmap_map(&vaddr, new_end, end,
231 VM_PROT_READ | VM_PROT_WRITE);
232 bzero((void *)mapped, end - new_end);
233 uma_startup((void *)mapped, boot_pages);
234
235 /*
236 * Compute the number of pages of memory that will be available for
237 * use (taking into account the overhead of a page structure per
238 * page).
239 */
240 first_page = phys_avail[0] / PAGE_SIZE;
241 page_range = phys_avail[(nblocks - 1) * 2 + 1] / PAGE_SIZE - first_page;
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