slice_allocator_alloc(slice_allocator_t *sa, sa_size_t size)
#endif /* !DEBUG */
{
slice_t *slice = 0;
lck_spin_lock(sa->spinlock);
/*
* Locate a slice with residual capacity. First, check for a partially
* full slice, and use some more of its capacity. Next, look to see if
* we have a ready to go empty slice. If not, finally go to underlying
* allocator for a new slice.
*/
if (!list_is_empty(&sa->partial)) {
slice = list_head(&sa->partial);
} else if (!list_is_empty(&sa->free)) {
slice = list_tail(&sa->free);
list_remove_tail(&sa->free);
list_insert_head(&sa->partial, slice);
} else {
lck_spin_unlock(sa->spinlock);
slice = (slice_t *)osif_malloc(sa->slice_size);;
slice_init(slice, sa);
lck_spin_lock(sa->spinlock);
list_insert_head(&sa->partial, slice);
}
#ifdef SA_CHECK_SLICE_SIZE
if (sa->max_alloc_size != slice->sa->max_alloc_size) {
REPORT("slice_allocator_alloc - alloc size (%llu) sa %llu slice"
" %llu\n", size, sa->max_alloc_size,
slice->sa->max_alloc_size);
}
#endif /* SA_CHECK_SLICE_SIZE */
/* Grab memory from the slice */
#ifndef DEBUG
void *p = slice_alloc(slice);
#else
void *p = slice_alloc(slice, size);
#endif /* !DEBUG */
/*
* Check to see if the slice buffer has become full. If it has, then
* move it into the full list so that we no longer keep trying to
* allocate from it.
*/
if (slice_is_full(slice)) {
list_remove(&sa->partial, slice);
#ifdef SLICE_ALLOCATOR_TRACK_FULL_SLABS
list_insert_head(&sa->full, slice);
#endif /* SLICE_ALLOCATOR_TRACK_FULL_SLABS */
}
lck_spin_unlock(sa->spinlock);
return (p);
}
int bsp_slice_init(void)
{
int ret = 0;
ret=slice_init();
ret|=hrt_slice_init();
if(ret){
hardtimer_print_error("failed.\n");
return BSP_ERROR;
}
timeslice_ctrl.is_inited_flag = 1;
hardtimer_print_error("ok.\n");
return BSP_OK;
}
void __init init_mem_info()
{
int i;
KLIST0_INIT(&memory_info.zone_list);
for (i = 0; i < NUM_ZONES; i++)
KLIST0_INIT(&mem_zone[i].list);
arch_init_boot_zone(mem_zone);
slice_init();
for (i = 0; i < NUM_ZONES; i++)
klist0_append(&mem_zone[i].list, &memory_info.zone_list);
mma_init();
}
