void * _list_process(list_t *list, reduce_t reducer, void *data) {
listprocessor_t *lp = lp_create(list, reducer, data);
void *ret = lp_run(lp);
lp_free(lp);
return ret;
}
// Creates a Logical Page and Allocates Swap & RAM.
static int
lp_setup (struct lpage **lpret, paddr_t *paret)
{
struct lpage *lp = NULL;
paddr_t pa;
off_t swa;
DEBUG(DB_VM, "LPage: lp_setup\n");
lp = lp_create();
if (lp == NULL) {
return (ENOMEM);
}
swa = swap_allocate();
if (swa == INVALID_SWAPADDR) {
lp_destroy(lp);
return (ENOSPC);
}
lock_acquire(lp -> lock);
pa = cm_allocuserpage(lp);
if (pa == INVALID_PADDR) {
swap_deallocate(swa);
lock_release(lp -> lock);
lp_destroy(lp);
return (ENOSPC);
}
lp -> paddr = pa | LPF_DIRTY | LPF_LOCKED;
lp -> swapaddr = swa;
KASSERT(cm_pageispinned(pa));
*lpret = lp;
*paret = pa;
return (0);
}
