linux-kernel - Re: 2.6.25-rc8-mm2 -- kernel/sched.c:8294: error: unknown field ‘read

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Date:	Fri, 11 Apr 2008 11:46:18 -0700
From:	"Paul Menage" <menage@...gle.com>
To:	"Peter Zijlstra" <peterz@...radead.org>
Cc:	"Miles Lane" <miles.lane@...il.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Ingo Molnar" <mingo@...e.hu>
Subject: Re: 2.6.25-rc8-mm2 -- kernel/sched.c:8294: error: unknown field ‘read_uint’ specified in initializer

On Fri, Apr 11, 2008 at 9:55 AM, Peter Zijlstra <peterz@...radead.org> wrote:
> On Fri, 2008-04-11 at 09:48 -0400, Miles Lane wrote:
>  > CC      kernel/sched.o
>  > kernel/sched.c:8294: error: unknown field 'read_uint' specified in initializer
>  > kernel/sched.c:8294: warning: initialization makes integer from
>  > pointer without a cast
>  > kernel/sched.c:8295: error: unknown field 'write_uint' specified in initializer
>  > kernel/sched.c:8295: warning: initialization from incompatible pointer type
>
>  someone mucked around with the cgroup api; this should fix it:
>
>  Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
>  ---
>  diff --git a/kernel/sched.c b/kernel/sched.c
>  index 7119895..8b4e0b6 100644
>  --- a/kernel/sched.c
>  +++ b/kernel/sched.c
>  @@ -8291,8 +8291,8 @@ static struct cftype cpu_files[] = {
>         },
>         {
>                 .name = "rt_period_us",
>  -               .read_uint = cpu_rt_period_read_uint,
>  -               .write_uint = cpu_rt_period_write_uint,
>  +               .read_u64 = cpu_rt_period_read_uint,
>  +               .write_u64 = cpu_rt_period_write_uint,
>         },
>   #endif
>

Sorry - this change was in my original API patch (plus renaming the
read/write functions to have u64 suffices) but I think it collided
with the git-sched instability around the end of February.

Paul
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