UBUNTU: SAUCE: (noup) Update spl to 0.6.5.9-1, zfs to 0.6.5.9-2

[mirror_ubuntu-artful-kernel.git] / spl / module / spl / spl-vmem.c

diff --git a/spl/module/spl/spl-vmem.c b/spl/module/spl/spl-vmem.c
new file mode 100644 (file)
index 0000000..e177988
--- /dev/null
+++ b/spl/module/spl/spl-vmem.c
@@ -0,0 +1,109 @@
+/*
+ *  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.
+ *  For details, see <http://zfsonlinux.org/>.
+ *
+ *  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 <sys/debug.h>
+#include <sys/vmem.h>
+#include <linux/mm_compat.h>
+#include <linux/module.h>
+
+vmem_t *heap_arena = NULL;
+EXPORT_SYMBOL(heap_arena);
+
+vmem_t *zio_alloc_arena = NULL;
+EXPORT_SYMBOL(zio_alloc_arena);
+
+vmem_t *zio_arena = NULL;
+EXPORT_SYMBOL(zio_arena);
+
+size_t
+vmem_size(vmem_t *vmp, int typemask)
+{
+       ASSERT3P(vmp, ==, NULL);
+       ASSERT3S(typemask & VMEM_ALLOC, ==, VMEM_ALLOC);
+       ASSERT3S(typemask & VMEM_FREE, ==, VMEM_FREE);
+
+       return (VMALLOC_TOTAL);
+}
+EXPORT_SYMBOL(vmem_size);
+
+/*
+ * 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)
+{
+}