From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Ahern <dsahern@gmail.com>
Subject: =?UTF-8?B?UmU6IDQuMC1yYzEgcGVyZiBidWlsZCBlcnJvciAiYnVpbHRpbi1rbWU=?=
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Date: Fri, 24 Apr 2015 07:54:50 -0600
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To: Vinson Lee <vlee@twopensource.com>, Namhyung Kim <namhyung@kernel.org>, Peter Zijlstra <a.p.zijlstra@chello.nl>, Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@redhat.com>, Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: linux-perf-users@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>

On 4/23/15 6:38 PM, Vinson Lee wrote:
> Hi.
>
> 4.0-rc1 commit 0d68bc92c48167130b61b449f08be27dc862dba2 "perf kmem:
> Analyze page allocator events also" introduced a build error with
> older toolchains.
>
> For example, this build errors occurs on CentOS 6.
>
>    CC       builtin-kmem.o
> cc1: warnings being treated as errors
> builtin-kmem.c: In function =E2=80=98search_page_alloc_stat=E2=80=99:
> builtin-kmem.c:322: error: declaration of =E2=80=98stat=E2=80=99 shad=
ows a global declaration
> /usr/include/sys/stat.h:455: error: shadowed declaration is here
> builtin-kmem.c: In function =E2=80=98perf_evsel__process_page_alloc_e=
vent=E2=80=99:
> builtin-kmem.c:378: error: declaration of =E2=80=98stat=E2=80=99 shad=
ows a global declaration
> /usr/include/sys/stat.h:455: error: shadowed declaration is here
> builtin-kmem.c: In function =E2=80=98perf_evsel__process_page_free_ev=
ent=E2=80=99:
> builtin-kmem.c:431: error: declaration of =E2=80=98stat=E2=80=99 shad=
ows a global declaration
> /usr/include/sys/stat.h:455: error: shadowed declaration is here

=46ixed in Arnaldo's core branch; he will push to urgent and Ingo soon.

David