kernel/cpu.c:1061:25: warning: the comparison will always evaluate as ‘true’ for the address of ‘frozen_cpus’ will never be NULL [-Waddress] mm/page_alloc.c:6024:27: warning: comparison between two arrays [-Warray-compare] mm/page_alloc.c:6024:41: warning: comparison between two arrays [-Warray-compare] mm/page_alloc.c:6024:27: warning: comparison between two arrays [-Warray-compare] mm/page_alloc.c:6024:41: warning: comparison between two arrays [-Warray-compare] mm/page_alloc.c:6024:27: warning: comparison between two arrays [-Warray-compare] mm/page_alloc.c:6024:41: warning: comparison between two arrays [-Warray-compare] mm/page_alloc.c:6024:27: warning: comparison between two arrays [-Warray-compare] mm/page_alloc.c:6024:41: warning: comparison between two arrays [-Warray-compare] mm/page_alloc.c:6024:27: warning: comparison between two arrays [-Warray-compare] mm/page_alloc.c:6024:41: warning: comparison between two arrays [-Warray-compare] include/linux/typecheck.h:11:25: warning: comparison of distinct pointer types lacks a cast include/linux/typecheck.h:11:25: warning: comparison of distinct pointer types lacks a cast cc1: some warnings being treated as errors