FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/module/os/linux/spl/spl-vmem.c

     /*
      *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
      *  Copyright (C) 2007 The Regents of the University of California.
      *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
      *  Written by Brian Behlendorf <behlendorf1@llnl.gov>.
      *  UCRL-CODE-235197
      *
      *  This file is part of the SPL, Solaris Porting Layer.
      *
     *  The SPL is free software; you can redistribute it and/or modify it
     *  under the terms of the GNU General Public License as published by the
     *  Free Software Foundation; either version 2 of the License, or (at your
     *  option) any later version.
     *
     *  The SPL is distributed in the hope that it will be useful, but WITHOUT
     *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
     *  for more details.
     *
     *  You should have received a copy of the GNU General Public License along
     *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
     */
    
    #include <linux/percpu_compat.h>
    #include <sys/debug.h>
    #include <sys/vmem.h>
    #include <sys/kmem_cache.h>
    #include <sys/shrinker.h>
    #include <linux/module.h>
    
    /*
     * Public vmem_alloc(), vmem_zalloc() and vmem_free() interfaces.
     */
    void *
    spl_vmem_alloc(size_t size, int flags, const char *func, int line)
    {
            ASSERT0(flags & ~KM_PUBLIC_MASK);
    
            flags |= KM_VMEM;
    
    #if !defined(DEBUG_KMEM)
            return (spl_kmem_alloc_impl(size, flags, NUMA_NO_NODE));
    #elif !defined(DEBUG_KMEM_TRACKING)
            return (spl_kmem_alloc_debug(size, flags, NUMA_NO_NODE));
    #else
            return (spl_kmem_alloc_track(size, flags, func, line, NUMA_NO_NODE));
    #endif
    }
    EXPORT_SYMBOL(spl_vmem_alloc);
    
    void *
    spl_vmem_zalloc(size_t size, int flags, const char *func, int line)
    {
            ASSERT0(flags & ~KM_PUBLIC_MASK);
    
            flags |= (KM_VMEM | KM_ZERO);
    
    #if !defined(DEBUG_KMEM)
            return (spl_kmem_alloc_impl(size, flags, NUMA_NO_NODE));
    #elif !defined(DEBUG_KMEM_TRACKING)
            return (spl_kmem_alloc_debug(size, flags, NUMA_NO_NODE));
    #else
            return (spl_kmem_alloc_track(size, flags, func, line, NUMA_NO_NODE));
    #endif
    }
    EXPORT_SYMBOL(spl_vmem_zalloc);
    
    void
    spl_vmem_free(const void *buf, size_t size)
    {
    #if !defined(DEBUG_KMEM)
            return (spl_kmem_free_impl(buf, size));
    #elif !defined(DEBUG_KMEM_TRACKING)
            return (spl_kmem_free_debug(buf, size));
    #else
            return (spl_kmem_free_track(buf, size));
    #endif
    }
    EXPORT_SYMBOL(spl_vmem_free);
    
    int
    spl_vmem_init(void)
    {
            return (0);
    }
    
    void
    spl_vmem_fini(void)
    {
    }

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