1 /* 2 * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. 3 * Copyright (C) 2007 The Regents of the University of California. 4 * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). 5 * Written by Brian Behlendorf <behlendorf1@llnl.gov>. 6 * UCRL-CODE-235197 7 * 8 * This file is part of the SPL, Solaris Porting Layer. 9 * For details, see <http://zfsonlinux.org/>. 10 * 11 * The SPL is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License as published by the 13 * Free Software Foundation; either version 2 of the License, or (at your 14 * option) any later version. 15 * 16 * The SPL is distributed in the hope that it will be useful, but WITHOUT 17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 18 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 19 * for more details. 20 * 21 * You should have received a copy of the GNU General Public License along 22 * with the SPL. If not, see <http://www.gnu.org/licenses/>. 23 */ 24 25 #include <linux/percpu_compat.h> 26 #include <sys/debug.h> 27 #include <sys/vmem.h> 28 #include <sys/kmem_cache.h> 29 #include <sys/shrinker.h> 30 #include <linux/module.h> 31 32 /* 33 * Public vmem_alloc(), vmem_zalloc() and vmem_free() interfaces. 34 */ 35 void * 36 spl_vmem_alloc(size_t size, int flags, const char *func, int line) 37 { 38 ASSERT0(flags & ~KM_PUBLIC_MASK); 39 40 flags |= KM_VMEM; 41 42 #if !defined(DEBUG_KMEM) 43 return (spl_kmem_alloc_impl(size, flags, NUMA_NO_NODE)); 44 #elif !defined(DEBUG_KMEM_TRACKING) 45 return (spl_kmem_alloc_debug(size, flags, NUMA_NO_NODE)); 46 #else 47 return (spl_kmem_alloc_track(size, flags, func, line, NUMA_NO_NODE)); 48 #endif 49 } 50 EXPORT_SYMBOL(spl_vmem_alloc); 51 52 void * 53 spl_vmem_zalloc(size_t size, int flags, const char *func, int line) 54 { 55 ASSERT0(flags & ~KM_PUBLIC_MASK); 56 57 flags |= (KM_VMEM | KM_ZERO); 58 59 #if !defined(DEBUG_KMEM) 60 return (spl_kmem_alloc_impl(size, flags, NUMA_NO_NODE)); 61 #elif !defined(DEBUG_KMEM_TRACKING) 62 return (spl_kmem_alloc_debug(size, flags, NUMA_NO_NODE)); 63 #else 64 return (spl_kmem_alloc_track(size, flags, func, line, NUMA_NO_NODE)); 65 #endif 66 } 67 EXPORT_SYMBOL(spl_vmem_zalloc); 68 69 void 70 spl_vmem_free(const void *buf, size_t size) 71 { 72 #if !defined(DEBUG_KMEM) 73 return (spl_kmem_free_impl(buf, size)); 74 #elif !defined(DEBUG_KMEM_TRACKING) 75 return (spl_kmem_free_debug(buf, size)); 76 #else 77 return (spl_kmem_free_track(buf, size)); 78 #endif 79 } 80 EXPORT_SYMBOL(spl_vmem_free); 81 82 int 83 spl_vmem_init(void) 84 { 85 return (0); 86 } 87 88 void 89 spl_vmem_fini(void) 90 { 91 } 92