1 | // SPDX-License-Identifier: GPL-2.0 |
---|---|
2 | |
3 | #include <linux/log2.h> |
4 | #include <linux/slab.h> |
5 | #include "darray.h" |
6 | |
7 | int __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(n: new_size, size: element_size, flags: 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(addr: d->data); |
19 | d->data = data; |
20 | d->size = new_size; |
21 | } |
22 | |
23 | return 0; |
24 | } |
25 |