| vm_page.h (17294) | vm_page.h (17334) |
|---|---|
| 1/* 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. 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 --- 47 unchanged lines hidden (view full) --- 56 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 57 * School of Computer Science 58 * Carnegie Mellon University 59 * Pittsburgh PA 15213-3890 60 * 61 * any improvements or extensions that they make and grant Carnegie the 62 * rights to redistribute these changes. 63 * | 1/* 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. 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 --- 47 unchanged lines hidden (view full) --- 56 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 57 * School of Computer Science 58 * Carnegie Mellon University 59 * Pittsburgh PA 15213-3890 60 * 61 * any improvements or extensions that they make and grant Carnegie the 62 * rights to redistribute these changes. 63 * |
| 64 * $Id: vm_page.h,v 1.29 1996/06/26 05:39:25 dyson Exp $ | 64 * $Id: vm_page.h,v 1.30 1996/07/27 03:24:06 dyson Exp $ |
| 65 */ 66 67/* 68 * Resident memory system definitions. 69 */ 70 71#ifndef _VM_PAGE_ 72#define _VM_PAGE_ --- 142 unchanged lines hidden (view full) --- 215 (m)->flags |= PG_WANTED; \ 216 assert_wait((int) (m), (interruptible)); \ 217 } 218 219#define PAGE_WAKEUP(m) { \ 220 (m)->flags &= ~PG_BUSY; \ 221 if ((m)->flags & PG_WANTED) { \ 222 (m)->flags &= ~PG_WANTED; \ | 65 */ 66 67/* 68 * Resident memory system definitions. 69 */ 70 71#ifndef _VM_PAGE_ 72#define _VM_PAGE_ --- 142 unchanged lines hidden (view full) --- 215 (m)->flags |= PG_WANTED; \ 216 assert_wait((int) (m), (interruptible)); \ 217 } 218 219#define PAGE_WAKEUP(m) { \ 220 (m)->flags &= ~PG_BUSY; \ 221 if ((m)->flags & PG_WANTED) { \ 222 (m)->flags &= ~PG_WANTED; \ |
| 223 (m)->flags |= PG_REFERENCED; \ | |
| 224 wakeup((caddr_t) (m)); \ 225 } \ 226 } 227 228#if PAGE_SIZE == 4096 229#define VM_PAGE_BITS_ALL 0xff 230#endif 231 --- 15 unchanged lines hidden (view full) --- 247void vm_page_free_zero __P((vm_page_t)); 248void vm_page_insert __P((vm_page_t, vm_object_t, vm_pindex_t)); 249vm_page_t vm_page_lookup __P((vm_object_t, vm_pindex_t)); 250void vm_page_remove __P((vm_page_t)); 251void vm_page_rename __P((vm_page_t, vm_object_t, vm_pindex_t)); 252vm_offset_t vm_page_startup __P((vm_offset_t, vm_offset_t, vm_offset_t)); 253void vm_page_unwire __P((vm_page_t)); 254void vm_page_wire __P((vm_page_t)); | 223 wakeup((caddr_t) (m)); \ 224 } \ 225 } 226 227#if PAGE_SIZE == 4096 228#define VM_PAGE_BITS_ALL 0xff 229#endif 230 --- 15 unchanged lines hidden (view full) --- 246void vm_page_free_zero __P((vm_page_t)); 247void vm_page_insert __P((vm_page_t, vm_object_t, vm_pindex_t)); 248vm_page_t vm_page_lookup __P((vm_object_t, vm_pindex_t)); 249void vm_page_remove __P((vm_page_t)); 250void vm_page_rename __P((vm_page_t, vm_object_t, vm_pindex_t)); 251vm_offset_t vm_page_startup __P((vm_offset_t, vm_offset_t, vm_offset_t)); 252void vm_page_unwire __P((vm_page_t)); 253void vm_page_wire __P((vm_page_t)); |
| 255void vm_page_unqueue __P((vm_page_t, int)); | 254void vm_page_unqueue __P((vm_page_t)); 255void vm_page_unqueue_nowakeup __P((vm_page_t)); |
| 256void vm_page_set_validclean __P((vm_page_t, int, int)); 257void vm_page_set_invalid __P((vm_page_t, int, int)); 258static __inline boolean_t vm_page_zero_fill __P((vm_page_t)); 259int vm_page_is_valid __P((vm_page_t, int, int)); 260void vm_page_test_dirty __P((vm_page_t)); 261int vm_page_bits __P((int, int)); 262 263/* --- 23 unchanged lines hidden (view full) --- 287#endif 288} 289 290static __inline void 291vm_page_protect(vm_page_t mem, int prot) 292{ 293 if (prot == VM_PROT_NONE) { 294 if (mem->flags & (PG_WRITEABLE|PG_MAPPED)) { | 256void vm_page_set_validclean __P((vm_page_t, int, int)); 257void vm_page_set_invalid __P((vm_page_t, int, int)); 258static __inline boolean_t vm_page_zero_fill __P((vm_page_t)); 259int vm_page_is_valid __P((vm_page_t, int, int)); 260void vm_page_test_dirty __P((vm_page_t)); 261int vm_page_bits __P((int, int)); 262 263/* --- 23 unchanged lines hidden (view full) --- 287#endif 288} 289 290static __inline void 291vm_page_protect(vm_page_t mem, int prot) 292{ 293 if (prot == VM_PROT_NONE) { 294 if (mem->flags & (PG_WRITEABLE|PG_MAPPED)) { |
| 295 pmap_page_protect(mem, prot); | 295 pmap_page_protect(VM_PAGE_TO_PHYS(mem), prot); |
| 296 mem->flags &= ~(PG_WRITEABLE|PG_MAPPED); 297 } 298 } else if ((prot == VM_PROT_READ) && (mem->flags & PG_WRITEABLE)) { | 296 mem->flags &= ~(PG_WRITEABLE|PG_MAPPED); 297 } 298 } else if ((prot == VM_PROT_READ) && (mem->flags & PG_WRITEABLE)) { |
| 299 pmap_page_protect(mem, prot); | 299 pmap_page_protect(VM_PAGE_TO_PHYS(mem), prot); |
| 300 mem->flags &= ~PG_WRITEABLE; 301 } 302} 303 304/* 305 * vm_page_zero_fill: 306 * 307 * Zero-fill the specified page. --- 27 unchanged lines hidden --- | 300 mem->flags &= ~PG_WRITEABLE; 301 } 302} 303 304/* 305 * vm_page_zero_fill: 306 * 307 * Zero-fill the specified page. --- 27 unchanged lines hidden --- |