kmem_alloc_tryhard
mp = kmem_alloc_tryhard(sizeof (mblk_t) +
cp = kmem_alloc_tryhard(size, &size, KM_NOSLEEP | KM_PANIC);
cl = kmem_alloc_tryhard(size, &size, KM_NOSLEEP | KM_PANIC);
qep = kmem_alloc_tryhard(size, &size, KM_NOSLEEP);
evp = kmem_alloc_tryhard(rsize, &evsize, KM_NOSLEEP);
cbp = kmem_alloc_tryhard(sizeof (callbparams_t),
new = kmem_alloc_tryhard(sizeof (struct ddi_callback),
extern void *kmem_alloc_tryhard(size_t size, size_t *alloc_size, int kmflags);