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// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
#include <string.h>
#include <urcu/uatomic.h>
#include <linux/slab.h>
#include <malloc.h>
#include <linux/gfp.h>
int kmalloc_nr_allocated;
int kmalloc_verbose;
void *kmalloc(size_t size, gfp_t gfp)
{
void *ret;
if (!(gfp & __GFP_DIRECT_RECLAIM))
return NULL;
ret = malloc(size);
uatomic_inc(&kmalloc_nr_allocated);
if (kmalloc_verbose)
printf("Allocating %p from malloc\n", ret);
if (gfp & __GFP_ZERO)
memset(ret, 0, size);
return ret;
}
void kfree(void *p)
{
if (!p)
return;
uatomic_dec(&kmalloc_nr_allocated);
if (kmalloc_verbose)
printf("Freeing %p to malloc\n", p);
free(p);
}
void *kmalloc_array(size_t n, size_t size, gfp_t gfp)
{
void *ret;
if (!(gfp & __GFP_DIRECT_RECLAIM))
return NULL;
ret = calloc(n, size);
uatomic_inc(&kmalloc_nr_allocated);
if (kmalloc_verbose)
printf("Allocating %p from calloc\n", ret);
if (gfp & __GFP_ZERO)
memset(ret, 0, n * size);
return ret;
}
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