{
u32 pages_avail, page_size, mem;
u8 *s = 0;
- char * path = "/sys/devices/system/node/node%u/hugepages/"
- "hugepages-%ukB/free_hugepages%c";
+ u8 *p = 0;
+ char * numa_path = "/sys/devices/system/node/node%u/";
+ char * nonnuma_path = "/sys/kernel/mm/";
+ char * suffix = "hugepages/hugepages-%ukB/free_hugepages%c";
+ char * path = NULL;
+ struct stat sb_numa, sb_nonnuma;
+
+ p = format(p, numa_path, c);
+ stat(numa_path, &sb_numa);
+ stat(nonnuma_path, &sb_nonnuma);
+
+ if (S_ISDIR(sb_numa.st_mode)) {
+ path = (char*)format((u8*)path, "%s%s", p, suffix);
+ } else if (S_ISDIR(sb_nonnuma.st_mode)) {
+ path = (char*)format((u8*)path, "%s%s", nonnuma_path, suffix);
+ } else {
+ use_1g = 0;
+ use_2m = 0;
+ vec_free(p);
+ break;
+ }
vec_validate(mem_by_socket, c);
mem = mem_by_socket[c];
page_size = 1024;
pages_avail = 0;
- s = format (s, path, c, page_size * 1024, 0);
+ s = format (s, path, page_size * 1024, 0);
read_sys_fs ((char *) s, "%u", &pages_avail);
vec_reset_length (s);
page_size = 2;
pages_avail = 0;
- s = format (s, path, c, page_size * 1024, 0);
+ s = format (s, path, page_size * 1024, 0);
read_sys_fs ((char *) s, "%u", &pages_avail);
vec_reset_length (s);
use_2m = 0;
vec_free(s);
+ vec_free(p);
+ vec_free(path);
}));
_vec_len (mem_by_socket) = c + 1;