No users of get_max_numa_node(), is_numa_available(), or is_multi_numa_node_system() remain. Remove the helpers and the now unused dirent.h include.
Signed-off-by: Shivank Garg <[email protected]> --- tools/testing/selftests/kvm/include/numaif.h | 52 ---------------------------- 1 file changed, 52 deletions(-) diff --git a/tools/testing/selftests/kvm/include/numaif.h b/tools/testing/selftests/kvm/include/numaif.h index 0945500c6322..c3884017ebb8 100644 --- a/tools/testing/selftests/kvm/include/numaif.h +++ b/tools/testing/selftests/kvm/include/numaif.h @@ -4,8 +4,6 @@ #ifndef SELFTEST_KVM_NUMAIF_H #define SELFTEST_KVM_NUMAIF_H -#include <dirent.h> - #include <linux/bitmap.h> #include <linux/mempolicy.h> @@ -73,54 +71,4 @@ static inline int kvm_get_next_numa_node(unsigned long nodemask, int from) return to; } -static inline int get_max_numa_node(void) -{ - struct dirent *de; - int max_node = 0; - DIR *d; - - /* - * Assume there's a single node if the kernel doesn't support NUMA, - * or if no nodes are found. - */ - d = opendir("/sys/devices/system/node"); - if (!d) - return 0; - - while ((de = readdir(d)) != NULL) { - int node_id; - char *endptr; - - if (strncmp(de->d_name, "node", 4) != 0) - continue; - - node_id = strtol(de->d_name + 4, &endptr, 10); - if (*endptr != '\0') - continue; - - if (node_id > max_node) - max_node = node_id; - } - closedir(d); - - return max_node; -} - -static bool is_numa_available(void) -{ - /* - * Probe for NUMA by doing a dummy get_mempolicy(). If the syscall - * fails with ENOSYS, then the kernel was built without NUMA support. - * if the syscall fails with EPERM, then the process/user lacks the - * necessary capabilities (CAP_SYS_NICE). - */ - return !get_mempolicy(NULL, NULL, 0, NULL, 0) || - (errno != ENOSYS && errno != EPERM); -} - -static inline bool is_multi_numa_node_system(void) -{ - return is_numa_available() && get_max_numa_node() >= 1; -} - #endif /* SELFTEST_KVM_NUMAIF_H */ -- 2.43.0
