This library includes a set of functions used to mount hugetlbfs automatically
when doing the hugemmap tests.
Signed-off-by: Tang Chen <tangc...@cn.fujitsu.com>
Signed-off-by: Wanlong Gao <gaowanl...@cn.fujitsu.com>
---
testcases/kernel/mem/hugetlb/hugemmap/Makefile | 6 ++-
testcases/kernel/mem/hugetlb/hugemmap/libmnt.c | 58 ++++++++++++++++++++++++
testcases/kernel/mem/hugetlb/hugemmap/libmnt.h | 25 ++++++++++
3 files changed, 88 insertions(+), 1 deletions(-)
create mode 100644 testcases/kernel/mem/hugetlb/hugemmap/libmnt.c
create mode 100644 testcases/kernel/mem/hugetlb/hugemmap/libmnt.h
diff --git a/testcases/kernel/mem/hugetlb/hugemmap/Makefile
b/testcases/kernel/mem/hugetlb/hugemmap/Makefile
index a1ba46e..e6ba4fe 100644
--- a/testcases/kernel/mem/hugetlb/hugemmap/Makefile
+++ b/testcases/kernel/mem/hugetlb/hugemmap/Makefile
@@ -23,5 +23,9 @@
top_srcdir ?= ../../../../..
include $(top_srcdir)/include/mk/testcases.mk
-include $(abs_srcdir)/../Makefile.inc
+
+MAKE_TARGETS := $(filter-out libmnt,$(patsubst
$(abs_srcdir)/%.c,%,$(wildcard $(abs_srcdir)/*.c)))
+
+$(MAKE_TARGETS): %: %.o libmnt.o
+
include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/kernel/mem/hugetlb/hugemmap/libmnt.c
b/testcases/kernel/mem/hugetlb/hugemmap/libmnt.c
new file mode 100644
index 0000000..bf6f857
--- /dev/null
+++ b/testcases/kernel/mem/hugetlb/hugemmap/libmnt.c
@@ -0,0 +1,58 @@
+/*
+ *
+ * Copyright (c) Fujitsu Corp., 2011
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/mount.h>
+#include <errno.h>
+
+#include "test.h"
+#include "libmnt.h"
+
+void
+hugepage_alloc(int num)
+{
+ FILE *file = fopen("/proc/sys/vm/nr_hugepages", "w+");
+ if (file == NULL) {
+ tst_brkm(TBROK|TERRNO, NULL,
+ "fopen failed on /proc/sys/vm/nr_hugepages");
+ }
+
+ if (fprintf(file, "%d", num) < 0) {
+ tst_brkm(TBROK|TERRNO, NULL,
+ "fprintf failed on /proc/sys/vm/nr_hugepages");
+ }
+
+ fclose(file);
+}
+
+void
+mount_hugetlbfs(char *mount_point)
+{
+ if (mount("none", mount_point, "hugetlbfs", 0, NULL) < 0) {
+ tst_brkm(TBROK|TERRNO, NULL,
+ "mount failed on %s", mount_point);
+ }
+}
+
+void
+umount_hugetlbfs(char *mount_point)
+{
+ umount(mount_point);
+}
diff --git a/testcases/kernel/mem/hugetlb/hugemmap/libmnt.h
b/testcases/kernel/mem/hugetlb/hugemmap/libmnt.h
new file mode 100644
index 0000000..dc1ceed
--- /dev/null
+++ b/testcases/kernel/mem/hugetlb/hugemmap/libmnt.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) Fujitsu Corp., 2011
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * libmnt.h - functions to mount hugetlbfs automatically.
+ */
+
+void hugepage_alloc(int num);
+void mount_hugetlbfs(char *mount_point);
+void umount_hugetlbfs(char *mount_point);
--
1.7.1
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