/* This function will return the greatest free block if a heap has been
* specified. If no heap has been specified, it will return the heap and
* length of the greatest free block available in all heaps */
static size_t
find_heap_max_free_elem(int *s, unsigned align)
{
struct rte_mem_config *mcfg;
struct rte_malloc_socket_stats stats;
int i, socket = *s;
size_t len = 0;
/* get pointer to global configuration */
mcfg = rte_eal_get_configuration()->mem_config;
for (i = 0; i < RTE_MAX_NUMA_NODES; i++) {
if ((socket != SOCKET_ID_ANY) && (socket != i))
continue;
malloc_heap_get_stats(&mcfg->malloc_heaps[i], &stats);
if (stats.greatest_free_size > len) {
len = stats.greatest_free_size;
*s = i;
}
}
if (len < MALLOC_ELEM_OVERHEAD + align)
return 0;
return len - MALLOC_ELEM_OVERHEAD - align;
}
/*
* Function to retrieve data for heap on given socket
*/
int
rte_malloc_get_socket_stats(int socket,
struct rte_malloc_socket_stats *socket_stats)
{
struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
if (socket >= RTE_MAX_NUMA_NODES || socket < 0)
return -1;
return malloc_heap_get_stats(&mcfg->malloc_heaps[socket], socket_stats);
}
