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(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 } 25