[Crash-utility] Re: [PATCH v2 3/3] s390x: uncouple physical and virtual memory spaces

+static bool is_read_proc_kcore(void) +{ + struct stat kcore_stat, fd_stat; + int fd; + int rc; + + rc = stat("/proc/kcore", &kcore_stat); + if (rc) + return false; + + fd = REMOTE_MEMSRC() ? pc->sockfd : (ACTIVE() ? pc->mfd : pc->dfd); + rc = fstat(fd, &fd_stat); + if (rc) + return false; + + return (fd_stat.st_ino == kcore_stat.st_ino) && + (fd_stat.st_dev == kcore_stat.st_dev); +} + +static bool s390x_init_vm(void) +{ + struct vm_info vm_info; + + if (is_read_proc_kcore()) {