Hello,
ping.
Regards,
Guangwen Feng
On 07/07/2015 03:10 PM, Guangwen Feng wrote::
> Compilation failed on RHEL5U11GA because the flag MAP_HUGETLB of
> mmap(2) are only available on kernels that are 2.6.32 or higher,
> therefore add kernel version check, as well as add mmap.h to
> define the flag in order to avoid compilation error.
>
> Signed-off-by: Guangwen Feng <fenggw-f...@cn.fujitsu.com>
> ---
> include/lapi/mmap.h | 26
> ++++++++++++++++++++++++++
> testcases/kernel/syscalls/futex/futex_wake04.c | 7 +++++++
> 2 files changed, 33 insertions(+)
> create mode 100644 include/lapi/mmap.h
>
> diff --git a/include/lapi/mmap.h b/include/lapi/mmap.h
> new file mode 100644
> index 0000000..e8e5917
> --- /dev/null
> +++ b/include/lapi/mmap.h
> @@ -0,0 +1,26 @@
> +/*
> + * Copyright (c) 2015 Fujitsu Ltd.
> + * Author: Guangwen Feng <fenggw-f...@cn.fujitsu.com>
> + *
> + * 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 would 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.
> + */
> +
> +#ifndef __LAPI_MMAP_H__
> +#define __LAPI_MMAP_H__
> +
> +#ifndef MAP_HUGETLB
> +#define MAP_HUGETLB 0x40000
> +#endif
> +
> +#endif /* __LAPI_MMAP_H__ */
> diff --git a/testcases/kernel/syscalls/futex/futex_wake04.c
> b/testcases/kernel/syscalls/futex/futex_wake04.c
> index 955b05e..fa98636 100644
> --- a/testcases/kernel/syscalls/futex/futex_wake04.c
> +++ b/testcases/kernel/syscalls/futex/futex_wake04.c
> @@ -46,6 +46,7 @@
> #include "safe_macros.h"
> #include "futextest.h"
> #include "futex_utils.h"
> +#include "lapi/mmap.h"
>
> #define PATH_MEMINFO "/proc/meminfo"
> #define PATH_NR_HUGEPAGES "/proc/sys/vm/nr_hugepages"
> @@ -62,6 +63,12 @@ static long orig_hugepages;
> static void setup(void)
> {
> tst_require_root(NULL);
> +
> + if ((tst_kvercmp(2, 6, 32)) < 0) {
> + tst_brkm(TCONF, NULL, "This test can only run on kernels "
> + "that are 2.6.32 or higher");
> + }
> +
> tst_tmpdir();
>
> SAFE_FILE_SCANF(NULL, PATH_NR_HUGEPAGES, "%ld", &orig_hugepages);
>
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