vm_map.c (83366) | vm_map.c (84783) |
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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 * $FreeBSD: head/sys/vm/vm_map.c 83366 2001-09-12 08:38:13Z julian $ | 64 * $FreeBSD: head/sys/vm/vm_map.c 84783 2001-10-10 23:06:54Z ps $ |
65 */ 66 67/* 68 * Virtual memory mapping module. 69 */ 70 71#include <sys/param.h> 72#include <sys/systm.h> --- 2318 unchanged lines hidden (view full) --- 2391 vm_size_t init_ssize; 2392 int rv; 2393 2394 GIANT_REQUIRED; 2395 2396 if (VM_MIN_ADDRESS > 0 && addrbos < VM_MIN_ADDRESS) 2397 return (KERN_NO_SPACE); 2398 | 65 */ 66 67/* 68 * Virtual memory mapping module. 69 */ 70 71#include <sys/param.h> 72#include <sys/systm.h> --- 2318 unchanged lines hidden (view full) --- 2391 vm_size_t init_ssize; 2392 int rv; 2393 2394 GIANT_REQUIRED; 2395 2396 if (VM_MIN_ADDRESS > 0 && addrbos < VM_MIN_ADDRESS) 2397 return (KERN_NO_SPACE); 2398 |
2399 if (max_ssize < SGROWSIZ) | 2399 if (max_ssize < sgrowsiz) |
2400 init_ssize = max_ssize; 2401 else | 2400 init_ssize = max_ssize; 2401 else |
2402 init_ssize = SGROWSIZ; | 2402 init_ssize = sgrowsiz; |
2403 2404 vm_map_lock(map); 2405 2406 /* If addr is already mapped, no go */ 2407 if (vm_map_lookup_entry(map, addrbos, &prev_entry)) { 2408 vm_map_unlock(map); 2409 return (KERN_NO_SPACE); 2410 } --- 126 unchanged lines hidden (view full) --- 2537 */ 2538 if (is_procstack && (ctob(vm->vm_ssize) + grow_amount > 2539 p->p_rlimit[RLIMIT_STACK].rlim_cur)) { 2540 vm_map_unlock_read(map); 2541 return (KERN_NO_SPACE); 2542 } 2543 2544 /* Round up the grow amount modulo SGROWSIZ */ | 2403 2404 vm_map_lock(map); 2405 2406 /* If addr is already mapped, no go */ 2407 if (vm_map_lookup_entry(map, addrbos, &prev_entry)) { 2408 vm_map_unlock(map); 2409 return (KERN_NO_SPACE); 2410 } --- 126 unchanged lines hidden (view full) --- 2537 */ 2538 if (is_procstack && (ctob(vm->vm_ssize) + grow_amount > 2539 p->p_rlimit[RLIMIT_STACK].rlim_cur)) { 2540 vm_map_unlock_read(map); 2541 return (KERN_NO_SPACE); 2542 } 2543 2544 /* Round up the grow amount modulo SGROWSIZ */ |
2545 grow_amount = roundup (grow_amount, SGROWSIZ); | 2545 grow_amount = roundup (grow_amount, sgrowsiz); |
2546 if (grow_amount > stack_entry->avail_ssize) { 2547 grow_amount = stack_entry->avail_ssize; 2548 } 2549 if (is_procstack && (ctob(vm->vm_ssize) + grow_amount > 2550 p->p_rlimit[RLIMIT_STACK].rlim_cur)) { 2551 grow_amount = p->p_rlimit[RLIMIT_STACK].rlim_cur - 2552 ctob(vm->vm_ssize); 2553 } --- 722 unchanged lines hidden --- | 2546 if (grow_amount > stack_entry->avail_ssize) { 2547 grow_amount = stack_entry->avail_ssize; 2548 } 2549 if (is_procstack && (ctob(vm->vm_ssize) + grow_amount > 2550 p->p_rlimit[RLIMIT_STACK].rlim_cur)) { 2551 grow_amount = p->p_rlimit[RLIMIT_STACK].rlim_cur - 2552 ctob(vm->vm_ssize); 2553 } --- 722 unchanged lines hidden --- |