| default_pager.c (92748) | default_pager.c (116226) |
|---|---|
| 1/* 2 * Copyright (c) 1995, David Greenman 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 21 unchanged lines hidden (view full) --- 30 * 31 * The default pager is responsible for supplying backing store to unbacked 32 * storage. The backing store is usually swap so we just fall through to 33 * the swap routines. However, since swap metadata has not been assigned, 34 * the swap routines assign and manage the swap backing store through the 35 * vm_page->swapblk field. The object is only converted when the page is 36 * physically freed after having been cleaned and even then vm_page->swapblk 37 * is maintained whenever a resident page also has swap backing store. | 1/* 2 * Copyright (c) 1995, David Greenman 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 21 unchanged lines hidden (view full) --- 30 * 31 * The default pager is responsible for supplying backing store to unbacked 32 * storage. The backing store is usually swap so we just fall through to 33 * the swap routines. However, since swap metadata has not been assigned, 34 * the swap routines assign and manage the swap backing store through the 35 * vm_page->swapblk field. The object is only converted when the page is 36 * physically freed after having been cleaned and even then vm_page->swapblk 37 * is maintained whenever a resident page also has swap backing store. |
| 38 * 39 * $FreeBSD: head/sys/vm/default_pager.c 92748 2002-03-20 04:02:59Z jeff $ | |
| 40 */ 41 | 38 */ 39 |
| 40#include <sys/cdefs.h> 41__FBSDID("$FreeBSD: head/sys/vm/default_pager.c 116226 2003-06-11 23:50:51Z obrien $"); 42 |
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| 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/lock.h> 45#include <sys/proc.h> 46#include <sys/mutex.h> 47 48#include <vm/vm.h> 49#include <vm/vm_object.h> --- 108 unchanged lines hidden --- | 43#include <sys/param.h> 44#include <sys/systm.h> 45#include <sys/lock.h> 46#include <sys/proc.h> 47#include <sys/mutex.h> 48 49#include <vm/vm.h> 50#include <vm/vm_object.h> --- 108 unchanged lines hidden --- |