static rstatus_t
slab_init_ctable(void)
{
struct slabclass *c;
uint8_t cid;
size_t *profile;
ASSERT(settings.profile_last_id <= SLABCLASS_MAX_ID);
profile = settings.profile;
nctable = settings.profile_last_id + 1;
ctable = fc_alloc(sizeof(*ctable) * nctable);
if (ctable == NULL) {
return FC_ENOMEM;
}
for (cid = SLABCLASS_MIN_ID; cid < nctable; cid++) {
c = &ctable[cid];
c->nitem = slab_data_size() / profile[cid];
c->size = profile[cid];
c->slack = slab_data_size() - (c->nitem * c->size);
TAILQ_INIT(&c->partial_msinfoq);
}
return FC_OK;
}
static rstatus_t
slab_init_stable(void)
{
struct slabinfo *sinfo;
uint32_t i, j;
nstable = nmslab + ndslab;
stable = fc_alloc(sizeof(*stable) * nstable);
if (stable == NULL) {
return FC_ENOMEM;
}
/* init memory slabinfo q */
for (i = 0; i < nmslab; i++) {
sinfo = &stable[i];
sinfo->sid = i;
sinfo->addr = i;
sinfo->nalloc = 0;
sinfo->nfree = 0;
sinfo->cid = SLABCLASS_INVALID_ID;
sinfo->mem = 1;
nfree_msinfoq++;
TAILQ_INSERT_TAIL(&free_msinfoq, sinfo, tqe);
}
/* init disk slabinfo q */
for (j = 0; j < ndslab && i < nstable; i++, j++) {
sinfo = &stable[i];
sinfo->sid = i;
sinfo->addr = j;
sinfo->nalloc = 0;
sinfo->nfree = 0;
sinfo->cid = SLABCLASS_INVALID_ID;
sinfo->mem = 0;
nfree_dsinfoq++;
TAILQ_INSERT_TAIL(&free_dsinfoq, sinfo, tqe);
}
return FC_OK;
}
static void *fc_palloc_large(fc_pool_t *pool, size_t size)
{
void *p;
int n;
u_char found = 0;
struct fc_large_data_s *l = NULL;
n = 0;
for(l = pool->large; l; l = l->next) {
if (l->data == NULL) {
found = 1;
break;
}
if (n++ >= 4) {
break;
}
}
if (!found) {
l = fc_palloc(pool, sizeof(struct fc_large_data_s));
}
if (l == NULL) {
return NULL;
}
// allocate for requested `size` memory
p = fc_alloc(size, pool->log);
if (p == NULL) {
return NULL;
}
l->data = p;
if (!found) {
l->next = pool->large;
pool->large = l;
}
return p;
}
