| uma_core.c (327404) | uma_core.c (327785) |
|---|---|
| 1/*- 2 * Copyright (c) 2002-2005, 2009, 2013 Jeffrey Roberson <jeff@FreeBSD.org> 3 * Copyright (c) 2004, 2005 Bosko Milekic <bmilekic@FreeBSD.org> 4 * Copyright (c) 2004-2006 Robert N. M. Watson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 34 unchanged lines hidden (view full) --- 43 44/* 45 * TODO: 46 * - Improve memory usage for large allocations 47 * - Investigate cache size adjustments 48 */ 49 50#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2002-2005, 2009, 2013 Jeffrey Roberson <jeff@FreeBSD.org> 3 * Copyright (c) 2004, 2005 Bosko Milekic <bmilekic@FreeBSD.org> 4 * Copyright (c) 2004-2006 Robert N. M. Watson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 34 unchanged lines hidden (view full) --- 43 44/* 45 * TODO: 46 * - Improve memory usage for large allocations 47 * - Investigate cache size adjustments 48 */ 49 50#include <sys/cdefs.h> |
| 51__FBSDID("$FreeBSD: stable/11/sys/vm/uma_core.c 327404 2017-12-31 03:06:29Z mjg $"); | 51__FBSDID("$FreeBSD: stable/11/sys/vm/uma_core.c 327785 2018-01-10 20:39:26Z markj $"); |
| 52 53/* I should really use ktr.. */ 54/* 55#define UMA_DEBUG 1 56#define UMA_DEBUG_ALLOC 1 57#define UMA_DEBUG_ALLOC_1 1 58*/ 59 --- 1062 unchanged lines hidden (view full) --- 1122 uma_keg_t keg; 1123 1124 TAILQ_INIT(&alloctail); 1125 keg = zone_first_keg(zone); 1126 1127 npages = howmany(bytes, PAGE_SIZE); 1128 while (npages > 0) { 1129 p = vm_page_alloc(NULL, 0, VM_ALLOC_INTERRUPT | | 52 53/* I should really use ktr.. */ 54/* 55#define UMA_DEBUG 1 56#define UMA_DEBUG_ALLOC 1 57#define UMA_DEBUG_ALLOC_1 1 58*/ 59 --- 1062 unchanged lines hidden (view full) --- 1122 uma_keg_t keg; 1123 1124 TAILQ_INIT(&alloctail); 1125 keg = zone_first_keg(zone); 1126 1127 npages = howmany(bytes, PAGE_SIZE); 1128 while (npages > 0) { 1129 p = vm_page_alloc(NULL, 0, VM_ALLOC_INTERRUPT | |
| 1130 VM_ALLOC_WIRED | VM_ALLOC_NOOBJ); | 1130 VM_ALLOC_WIRED | VM_ALLOC_NOOBJ | 1131 ((wait & M_WAITOK) != 0 ? VM_ALLOC_WAITOK : 1132 VM_ALLOC_NOWAIT)); |
| 1131 if (p != NULL) { 1132 /* 1133 * Since the page does not belong to an object, its 1134 * listq is unused. 1135 */ 1136 TAILQ_INSERT_TAIL(&alloctail, p, listq); 1137 npages--; 1138 continue; 1139 } | 1133 if (p != NULL) { 1134 /* 1135 * Since the page does not belong to an object, its 1136 * listq is unused. 1137 */ 1138 TAILQ_INSERT_TAIL(&alloctail, p, listq); 1139 npages--; 1140 continue; 1141 } |
| 1140 if (wait & M_WAITOK) { 1141 VM_WAIT; 1142 continue; 1143 } 1144 | |
| 1145 /* 1146 * Page allocation failed, free intermediate pages and 1147 * exit. 1148 */ 1149 TAILQ_FOREACH_SAFE(p, &alloctail, listq, p_next) { 1150 vm_page_unwire(p, PQ_NONE); 1151 vm_page_free(p); 1152 } --- 924 unchanged lines hidden (view full) --- 2077uma_zdestroy(uma_zone_t zone) 2078{ 2079 2080 sx_slock(&uma_drain_lock); 2081 zone_free_item(zones, zone, NULL, SKIP_NONE); 2082 sx_sunlock(&uma_drain_lock); 2083} 2084 | 1142 /* 1143 * Page allocation failed, free intermediate pages and 1144 * exit. 1145 */ 1146 TAILQ_FOREACH_SAFE(p, &alloctail, listq, p_next) { 1147 vm_page_unwire(p, PQ_NONE); 1148 vm_page_free(p); 1149 } --- 924 unchanged lines hidden (view full) --- 2074uma_zdestroy(uma_zone_t zone) 2075{ 2076 2077 sx_slock(&uma_drain_lock); 2078 zone_free_item(zones, zone, NULL, SKIP_NONE); 2079 sx_sunlock(&uma_drain_lock); 2080} 2081 |
| 2082void 2083uma_zwait(uma_zone_t zone) 2084{ 2085 void *item; 2086 2087 item = uma_zalloc_arg(zone, NULL, M_WAITOK); 2088 uma_zfree(zone, item); 2089} 2090 |
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| 2085/* See uma.h */ 2086void * 2087uma_zalloc_arg(uma_zone_t zone, void *udata, int flags) 2088{ 2089 void *item; 2090 uma_cache_t cache; 2091 uma_bucket_t bucket; 2092 int lockfail; --- 1597 unchanged lines hidden --- | 2091/* See uma.h */ 2092void * 2093uma_zalloc_arg(uma_zone_t zone, void *udata, int flags) 2094{ 2095 void *item; 2096 uma_cache_t cache; 2097 uma_bucket_t bucket; 2098 int lockfail; --- 1597 unchanged lines hidden --- |