field '' with variable sized type 'union jset::(anonymous at ./usr/include/linux/bcache.h:354:2)' not at the end of a struct or class is a GNU extension [-Wgnu-variable-sized-type-not-at-end]

field '' with variable sized type 'union jset::(anonymous at ./usr/include/linux/bcache.h:355:2)' not at the end of a struct or class is a GNU extension [-Wgnu-variable-sized-type-not-at-end]

objtool: __setup_rt_frame()+0x334: call to memset() with UACCESS enabled

objtool: balance_leaf()+0x6c94: stack state mismatch: cfa1=7+320 cfa2=7+336

objtool: ia32_setup_rt_frame()+0x1e6: call to memset() with UACCESS enabled

comparison of distinct pointer types ('typeof (map->s_partition_len) *' (aka 'unsigned int *') and 'typeof (sizeof(struct spaceBitmapDesc) << 3) *' (aka 'unsigned long *')) [-Wcompare-distinct-pointer-types]