| 1 | // SPDX-License-Identifier: GPL-2.0 |
|---|---|
| 2 | |
| 3 | #include <stdio.h> |
| 4 | #include <string.h> |
| 5 | |
| 6 | #include <urcu/uatomic.h> |
| 7 | #include <linux/slab.h> |
| 8 | #include <malloc.h> |
| 9 | #include <linux/gfp.h> |
| 10 | |
| 11 | int kmalloc_nr_allocated; |
| 12 | int kmalloc_verbose; |
| 13 | |
| 14 | void *kmalloc(size_t size, gfp_t gfp) |
| 15 | { |
| 16 | void *ret; |
| 17 | |
| 18 | if (!(gfp & __GFP_DIRECT_RECLAIM)) |
| 19 | return NULL; |
| 20 | |
| 21 | ret = malloc(size); |
| 22 | uatomic_inc(&kmalloc_nr_allocated); |
| 23 | if (kmalloc_verbose) |
| 24 | printf("Allocating %p from malloc\n", ret); |
| 25 | if (gfp & __GFP_ZERO) |
| 26 | memset(ret, 0, size); |
| 27 | return ret; |
| 28 | } |
| 29 | |
| 30 | void kfree(void *p) |
| 31 | { |
| 32 | if (!p) |
| 33 | return; |
| 34 | uatomic_dec(&kmalloc_nr_allocated); |
| 35 | if (kmalloc_verbose) |
| 36 | printf("Freeing %p to malloc\n", p); |
| 37 | free(p); |
| 38 | } |
| 39 |