Cregit: Linux 5.13: xfrm

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
David S. Miller	133	94.33%	1	16.67%
Joonwoo Park	3	2.13%	1	16.67%
Herbert Xu	2	1.42%	1	16.67%
Eric Dumazet	1	0.71%	1	16.67%
Mike Rapoport	1	0.71%	1	16.67%
Greg Kroah-Hartman	1	0.71%	1	16.67%
Total	141		6

// SPDX-License-Identifier: GPL-2.0
/* xfrm_hash.c: Common hash table code.
 *
 * Copyright (C) 2006 David S. Miller (davem@davemloft.net)
 */

#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/memblock.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
#include <linux/xfrm.h>

#include "xfrm_hash.h"

struct hlist_head *xfrm_hash_alloc(unsigned int sz)
{
	struct hlist_head *n;

	if (sz <= PAGE_SIZE)
		n = kzalloc(sz, GFP_KERNEL);
	else if (hashdist)
		n = vzalloc(sz);
	else
		n = (struct hlist_head *)
			__get_free_pages(GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO,
					 get_order(sz));

	return n;
}

void xfrm_hash_free(struct hlist_head *n, unsigned int sz)
{
	if (sz <= PAGE_SIZE)
		kfree(n);
	else if (hashdist)
		vfree(n);
	else
		free_pages((unsigned long)n, get_order(sz));
}