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 21:24:03 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Paul Menage <menage@...gle.com>, Miles Lane <miles.lane@...il.com>,
	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, 11 Apr 2008 20:55:24 +0200 Peter Zijlstra <peterz@...radead.org> wrote:

> On Fri, 2008-04-11 at 11:46 -0700, Paul Menage wrote:
> > 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.
> 
> Yeah, no worries, I recognised it the moment I looked at it. This is
> just a merge artefact from changes in different trees.

Yeahm, this is poor old me trying to herd a million mad monkeys, only one
escaped.

Not enough .configs, I guess :(
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