[tip:perf/urgent] perf trace: Check if MAP_32BIT is defined

[tip-bot for Kyle McMartin <tipbot@zytor.com>]

Commit-ID:  41817815666e4a6f302dad1fea47cbe64cc45e40
Gitweb:     http://git.kernel.org/tip/41817815666e4a6f302dad1fea47cbe64cc45e40
Author:     Kyle McMartin <kyle@redhat.com>
AuthorDate: Thu, 5 Sep 2013 10:29:47 -0400
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 5 Sep 2013 16:18:46 -0300

perf trace: Check if MAP_32BIT is defined

MAP_32BIT is defined only on x86... this means perf fails to build on
all other platforms.

Signed-off-by: Kyle McMartin <kyle@redhat.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/20130905142947.GA25882@merlin.infradead.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-trace.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 6016112..f5aa637 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -100,7 +100,9 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
 
 	P_MMAP_FLAG(SHARED);
 	P_MMAP_FLAG(PRIVATE);
+#ifdef MAP_32BIT
 	P_MMAP_FLAG(32BIT);
+#endif
 	P_MMAP_FLAG(ANONYMOUS);
 	P_MMAP_FLAG(DENYWRITE);
 	P_MMAP_FLAG(EXECUTABLE);