ku_pagecnt 226 kern/kern_malloc.c kup->ku_pagecnt = npg; ku_pagecnt 384 kern/kern_malloc.c uvm_km_free(kmem_map, (vaddr_t)addr, ctob(kup->ku_pagecnt)); ku_pagecnt 386 kern/kern_malloc.c size = kup->ku_pagecnt << PGSHIFT; ku_pagecnt 389 kern/kern_malloc.c kup->ku_pagecnt = 0;