1// SPDX-License-Identifier: GPL-2.0
 2
 3#include <linux/log2.h>
 4#include <linux/slab.h>
 5#include "darray.h"
 6
 7int __bch2_darray_resize(darray_char *d, size_t element_size, size_t new_size, gfp_t gfp)
 8{
 9	if (new_size > d->size) {
10		new_size = roundup_pow_of_two(new_size);
11
12		void *data = kvmalloc_array(new_size, element_size, gfp);
13		if (!data)
14			return -ENOMEM;
15
16		memcpy(data, d->data, d->size * element_size);
17		if (d->data != d->preallocated)
18			kvfree(d->data);
19		d->data	= data;
20		d->size = new_size;
21	}
22
23	return 0;
24}