Add a function to compare the huge page size displayed in /proc/meminfo (which
is the kernel's default size) with the size used by a given mount point. This
will be used by the quota test to determine if a special mount option must be
used.
Signed-off-by: Adam Litke <[EMAIL PROTECTED]>
---
tests/hugetests.h | 2 ++
tests/testutils.c | 24 ++++++++++++++++++++++++
2 files changed, 26 insertions(+), 0 deletions(-)
diff --git a/tests/hugetests.h b/tests/hugetests.h
index f43cfd2..0afc00d 100644
--- a/tests/hugetests.h
+++ b/tests/hugetests.h
@@ -145,6 +145,8 @@ long get_pool_counter(unsigned int counter, unsigned long
pagesize_kb);
int set_pool_counter(unsigned int counter, unsigned long val,
unsigned long pagesize_kb);
+int using_system_hpage_size(const char *mount);
+
/* WARNING: Racy -- use for test cases only! */
int kernel_has_private_reservations(int fd);
diff --git a/tests/testutils.c b/tests/testutils.c
index 9aa6c3d..76ce860 100644
--- a/tests/testutils.c
+++ b/tests/testutils.c
@@ -467,3 +467,27 @@ int kernel_has_private_reservations(int fd)
}
return -1;
}
+
+int using_system_hpage_size(const char *mount)
+{
+ struct statfs64 sb;
+ int err;
+ long meminfo_size, mount_size;
+
+ if (!mount)
+ FAIL("using_system_hpage_size: hugetlbfs is not mounted\n");
+
+ err = statfs64(mount, &sb);
+ if (err)
+ FAIL("statfs64: %s\n", strerror(errno));
+
+ meminfo_size = file_read_ulong("/proc/meminfo", "Hugepagesize:");
+ if (meminfo_size < 0)
+ FAIL("using_system_hpage_size: Failed to read /proc/meminfo\n");
+
+ mount_size = sb.f_bsize / 1024; /* Compare to meminfo in kB */
+ if (mount_size == meminfo_size)
+ return 1;
+ else
+ return 0;
+}
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