| 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 |