51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 only,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License version 2 for more details (a copy is included
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* in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; If not, see
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* http://www.gnu.org/licenses/gpl-2.0.html
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*
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*/
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/*
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* This file creates a memory allocation primitive for Lustre, that
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* allows to fallback to vmalloc allocations should regular kernel allocations
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* fail due to size or system memory fragmentation.
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*
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* Author: Oleg Drokin <green@linuxhacker.ru>
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*
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*/
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/*
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* This file is part of Lustre, http://www.lustre.org/
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* Lustre is a trademark of Seagate Technology.
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*/
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#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#include "../../../include/linux/libcfs/libcfs.h"
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void *libcfs_kvzalloc(size_t size, gfp_t flags)
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{
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void *ret;
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ret = kzalloc(size, flags | __GFP_NOWARN);
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if (!ret)
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ret = __vmalloc(size, flags | __GFP_ZERO, PAGE_KERNEL);
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return ret;
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}
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EXPORT_SYMBOL(libcfs_kvzalloc);
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void *libcfs_kvzalloc_cpt(struct cfs_cpt_table *cptab, int cpt, size_t size,
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gfp_t flags)
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{
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return kvzalloc_node(size, flags, cfs_cpt_spread_node(cptab, cpt));
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}
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EXPORT_SYMBOL(libcfs_kvzalloc_cpt);
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