| vm_page.h (40700) | vm_page.h (42408) |
|---|---|
| 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 1.47 1998/10/21 14:46:42 dg Exp $ | 64 * $Id: vm_page.h,v 1.48 1998/10/28 13:37:02 dg Exp $ |
| 65 */ 66 67/* 68 * Resident memory system definitions. 69 */ 70 71#ifndef _VM_PAGE_ 72#define _VM_PAGE_ --- 313 unchanged lines hidden (view full) --- 386vm_page_hold(vm_page_t mem) 387{ 388 mem->hold_count++; 389} 390 391static __inline void 392vm_page_unhold(vm_page_t mem) 393{ | 65 */ 66 67/* 68 * Resident memory system definitions. 69 */ 70 71#ifndef _VM_PAGE_ 72#define _VM_PAGE_ --- 313 unchanged lines hidden (view full) --- 386vm_page_hold(vm_page_t mem) 387{ 388 mem->hold_count++; 389} 390 391static __inline void 392vm_page_unhold(vm_page_t mem) 393{ |
| 394#ifdef DIAGNOSTIC 395 if (--mem->hold_count < 0) 396 panic("vm_page_unhold: hold count < 0!!!"); 397#else | |
| 398 --mem->hold_count; | 394 --mem->hold_count; |
| 399#endif | 395 KASSERT(mem->hold_count >= 0, ("vm_page_unhold: hold count < 0!!!")); |
| 400} 401 402static __inline void 403vm_page_protect(vm_page_t mem, int prot) 404{ 405 if (prot == VM_PROT_NONE) { 406 if (mem->flags & (PG_WRITEABLE|PG_MAPPED)) { 407 pmap_page_protect(VM_PAGE_TO_PHYS(mem), VM_PROT_NONE); --- 39 unchanged lines hidden --- | 396} 397 398static __inline void 399vm_page_protect(vm_page_t mem, int prot) 400{ 401 if (prot == VM_PROT_NONE) { 402 if (mem->flags & (PG_WRITEABLE|PG_MAPPED)) { 403 pmap_page_protect(VM_PAGE_TO_PHYS(mem), VM_PROT_NONE); --- 39 unchanged lines hidden --- |