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40 lines
803 B
40 lines
803 B
// SPDX-License-Identifier: GPL-2.0 |
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/* xfrm_hash.c: Common hash table code. |
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* |
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* Copyright (C) 2006 David S. Miller ([email protected]) |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/mm.h> |
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#include <linux/memblock.h> |
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#include <linux/vmalloc.h> |
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#include <linux/slab.h> |
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#include <linux/xfrm.h> |
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#include "xfrm_hash.h" |
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struct hlist_head *xfrm_hash_alloc(unsigned int sz) |
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{ |
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struct hlist_head *n; |
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if (sz <= PAGE_SIZE) |
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n = kzalloc(sz, GFP_KERNEL); |
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else if (hashdist) |
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n = vzalloc(sz); |
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else |
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n = (struct hlist_head *) |
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__get_free_pages(GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO, |
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get_order(sz)); |
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return n; |
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} |
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void xfrm_hash_free(struct hlist_head *n, unsigned int sz) |
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{ |
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if (sz <= PAGE_SIZE) |
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kfree(n); |
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else if (hashdist) |
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vfree(n); |
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else |
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free_pages((unsigned long)n, get_order(sz)); |
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}
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