diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
| commit | dc50eab76b709d68175a358d6e23a5a3890764d3 (patch) | |
| tree | c754d0390db060af0213ff994f0ac310e4cfd6e9 /tools/testing/selftests/mm/vm_util.c | |
| parent | Adding debian version 6.6.15-2. (diff) | |
| download | linux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip | |
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/mm/vm_util.c')
| -rw-r--r-- | tools/testing/selftests/mm/vm_util.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/selftests/mm/vm_util.c b/tools/testing/selftests/mm/vm_util.c index 558c9cd890..3082b40492 100644 --- a/tools/testing/selftests/mm/vm_util.c +++ b/tools/testing/selftests/mm/vm_util.c @@ -269,3 +269,22 @@ int uffd_unregister(int uffd, void *addr, uint64_t len) return ret; } + +unsigned long get_free_hugepages(void) +{ + unsigned long fhp = 0; + char *line = NULL; + size_t linelen = 0; + FILE *f = fopen("/proc/meminfo", "r"); + + if (!f) + return fhp; + while (getline(&line, &linelen, f) > 0) { + if (sscanf(line, "HugePages_Free: %lu", &fhp) == 1) + break; + } + + free(line); + fclose(f); + return fhp; +} |