* Vinson Lee <v...@twitter.com> wrote:
> The tokens MADV_HUGEPAGE and MADV_NOHUGEPAGE are not available with
> glibc 2.12 and older. Define these tokens if they are not already
> defined.
>
> This patch fixes these build errors with older versions of glibc.
>
> CC bench/numa.o
> bench/numa.c: In function ???alloc_data???:
> bench/numa.c:334: error: ???MADV_HUGEPAGE??? undeclared (first use in this
> function)
> bench/numa.c:334: error: (Each undeclared identifier is reported only once
> bench/numa.c:334: error: for each function it appears in.)
> bench/numa.c:341: error: ???MADV_NOHUGEPAGE??? undeclared (first use in this
> function)
> make: *** [bench/numa.o] Error 1
>
> Signed-off-by: Vinson Lee <v...@twitter.com>
> Cc: Arnaldo Carvalho de Melo <a...@ghostprotocols.net>
> Cc: Ingo Molnar <mi...@redhat.com>
> Cc: Irina Tirdea <irina.tir...@intel.com>
> Cc: Paul Mackerras <pau...@samba.org>
> Cc: Pekka Enberg <penb...@kernel.org>
> Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
>
> ---
> tools/perf/bench/bench.h | 7 +++++++
> 1 files changed, 7 insertions(+), 0 deletions(-)
>
> diff --git a/tools/perf/bench/bench.h b/tools/perf/bench/bench.h
> index a5223e6..6263f38 100644
> --- a/tools/perf/bench/bench.h
> +++ b/tools/perf/bench/bench.h
> @@ -1,6 +1,13 @@
> #ifndef BENCH_H
> #define BENCH_H
>
> +#ifndef MADV_HUGEPAGE
> +#define MADV_HUGEPAGE 14
> +#endif
> +#ifndef MADV_NOHUGEPAGE
> +#define MADV_NOHUGEPAGE 15
> +#endif
Can we ignore Parisc which goes outside the asm-generic values of 14/15 and
defines
these as 67/68?
On Parisc 14 is MADV_16K_PAGES, 15 is unused.
Could we include <uapi/asm/mman.h> instead?
Thanks,
Ingo
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