| @@ -1,14 +1,14 @@ | | | @@ -1,14 +1,14 @@ |
| 1 | /* $NetBSD: uvm_swap.c,v 1.139 2008/05/29 14:51:27 mrg Exp $ */ | | 1 | /* $NetBSD: uvm_swap.c,v 1.140 2008/09/23 08:56:15 ad Exp $ */ |
| 2 | | | 2 | |
| 3 | /* | | 3 | /* |
| 4 | * Copyright (c) 1995, 1996, 1997 Matthew R. Green | | 4 | * Copyright (c) 1995, 1996, 1997 Matthew R. Green |
| 5 | * All rights reserved. | | 5 | * All rights reserved. |
| 6 | * | | 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without | | 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions | | 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: | | 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright | | 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. | | 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright | | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the | | 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. | | 14 | * documentation and/or other materials provided with the distribution. |
| @@ -20,27 +20,27 @@ | | | @@ -20,27 +20,27 @@ |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | | 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | | 21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | | 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 23 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | | 23 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | | 24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | | 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 26 | * SUCH DAMAGE. | | 26 | * SUCH DAMAGE. |
| 27 | * | | 27 | * |
| 28 | * from: NetBSD: vm_swap.c,v 1.52 1997/12/02 13:47:37 pk Exp | | 28 | * from: NetBSD: vm_swap.c,v 1.52 1997/12/02 13:47:37 pk Exp |
| 29 | * from: Id: uvm_swap.c,v 1.1.2.42 1998/02/02 20:38:06 chuck Exp | | 29 | * from: Id: uvm_swap.c,v 1.1.2.42 1998/02/02 20:38:06 chuck Exp |
| 30 | */ | | 30 | */ |
| 31 | | | 31 | |
| 32 | #include <sys/cdefs.h> | | 32 | #include <sys/cdefs.h> |
| 33 | __KERNEL_RCSID(0, "$NetBSD: uvm_swap.c,v 1.139 2008/05/29 14:51:27 mrg Exp $"); | | 33 | __KERNEL_RCSID(0, "$NetBSD: uvm_swap.c,v 1.140 2008/09/23 08:56:15 ad Exp $"); |
| 34 | | | 34 | |
| 35 | #include "fs_nfs.h" | | 35 | #include "fs_nfs.h" |
| 36 | #include "opt_uvmhist.h" | | 36 | #include "opt_uvmhist.h" |
| 37 | #include "opt_compat_netbsd.h" | | 37 | #include "opt_compat_netbsd.h" |
| 38 | #include "opt_ddb.h" | | 38 | #include "opt_ddb.h" |
| 39 | | | 39 | |
| 40 | #include <sys/param.h> | | 40 | #include <sys/param.h> |
| 41 | #include <sys/systm.h> | | 41 | #include <sys/systm.h> |
| 42 | #include <sys/buf.h> | | 42 | #include <sys/buf.h> |
| 43 | #include <sys/bufq.h> | | 43 | #include <sys/bufq.h> |
| 44 | #include <sys/conf.h> | | 44 | #include <sys/conf.h> |
| 45 | #include <sys/proc.h> | | 45 | #include <sys/proc.h> |
| 46 | #include <sys/namei.h> | | 46 | #include <sys/namei.h> |
| @@ -265,27 +265,31 @@ uvm_swap_init(void) | | | @@ -265,27 +265,31 @@ uvm_swap_init(void) |
| 265 | * from 1 to INT_MAX allows 2 gigablocks of swap space. note | | 265 | * from 1 to INT_MAX allows 2 gigablocks of swap space. note |
| 266 | * that block 0 is reserved (used to indicate an allocation | | 266 | * that block 0 is reserved (used to indicate an allocation |
| 267 | * failure, or no allocation). | | 267 | * failure, or no allocation). |
| 268 | */ | | 268 | */ |
| 269 | swapmap = vmem_create("swapmap", 1, INT_MAX - 1, 1, NULL, NULL, NULL, 0, | | 269 | swapmap = vmem_create("swapmap", 1, INT_MAX - 1, 1, NULL, NULL, NULL, 0, |
| 270 | VM_NOSLEEP, IPL_NONE); | | 270 | VM_NOSLEEP, IPL_NONE); |
| 271 | if (swapmap == 0) | | 271 | if (swapmap == 0) |
| 272 | panic("uvm_swap_init: extent_create failed"); | | 272 | panic("uvm_swap_init: extent_create failed"); |
| 273 | | | 273 | |
| 274 | /* | | 274 | /* |
| 275 | * done! | | 275 | * done! |
| 276 | */ | | 276 | */ |
| 277 | uvm.swap_running = true; | | 277 | uvm.swap_running = true; |
| | | 278 | #ifdef __SWAP_BROKEN |
| | | 279 | uvm.swapout_enabled = 0; |
| | | 280 | #else |
| 278 | uvm.swapout_enabled = 1; | | 281 | uvm.swapout_enabled = 1; |
| | | 282 | #endif |
| 279 | UVMHIST_LOG(pdhist, "<- done", 0, 0, 0, 0); | | 283 | UVMHIST_LOG(pdhist, "<- done", 0, 0, 0, 0); |
| 280 | | | 284 | |
| 281 | sysctl_createv(NULL, 0, NULL, NULL, | | 285 | sysctl_createv(NULL, 0, NULL, NULL, |
| 282 | CTLFLAG_READWRITE, | | 286 | CTLFLAG_READWRITE, |
| 283 | CTLTYPE_INT, "swapout", | | 287 | CTLTYPE_INT, "swapout", |
| 284 | SYSCTL_DESCR("Set 0 to disable swapout of kernel stacks"), | | 288 | SYSCTL_DESCR("Set 0 to disable swapout of kernel stacks"), |
| 285 | NULL, 0, &uvm.swapout_enabled, 0, CTL_VM, CTL_CREATE, CTL_EOL); | | 289 | NULL, 0, &uvm.swapout_enabled, 0, CTL_VM, CTL_CREATE, CTL_EOL); |
| 286 | } | | 290 | } |
| 287 | | | 291 | |
| 288 | /* | | 292 | /* |
| 289 | * swaplist functions: functions that operate on the list of swap | | 293 | * swaplist functions: functions that operate on the list of swap |
| 290 | * devices on the system. | | 294 | * devices on the system. |
| 291 | */ | | 295 | */ |