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

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Message-ID: <a44ae5cd0804142055tb955431ne904862043a01d6d@mail.gmail.com>
Date:	Mon, 14 Apr 2008 23:55:32 -0400
From:	"Miles Lane" <miles.lane@...il.com>
To:	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	"Peter Zijlstra" <peterz@...radead.org>,
	"Paul Menage" <menage@...gle.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 Mon, Apr 14, 2008 at 10:38 PM, Andrew Morton
<akpm@...ux-foundation.org> wrote:
> On Mon, 14 Apr 2008 22:28:27 -0400 "Miles Lane" <miles.lane@...il.com> wrote:
>
>  > Hmm.  This is showing up in 2.6.25-rc9 and looks related to the
>  > problem in 2.6.25-rc9-mm2:
>  >
>  >   CC      kernel/sched.o
>  > kernel/sched.c:7988: error: unknown field 'read_u64' specified in initializer
>  > kernel/sched.c:7988: error: 'cpu_shares_read_u64' undeclared here (not
>  > in a function)
>  > kernel/sched.c:7989: error: unknown field 'write_u64' specified in initializer
>  > kernel/sched.c:7989: error: 'cpu_shares_write_u64' undeclared here
>  > (not in a function)
>  > kernel/sched.c:7995: error: unknown field 'read_s64' specified in initializer
>  > kernel/sched.c:7995: warning: initialization makes integer from
>  > pointer without a cast
>  > kernel/sched.c:7996: error: unknown field 'write_s64' specified in initializer
>  > kernel/sched.c:7996: warning: initialization from incompatible pointer type
>  > kernel/sched.c:8000: error: 'cpu_rt_period_read_uint' undeclared here
>  > (not in a function)
>  > kernel/sched.c:8001: error: 'cpu_rt_period_write_uint' undeclared here
>  > (not in a function)
>
>  I'm suspecting that you applied the -mm patch, then you applied
>  cgroup-api-files-rename-read-write_uint-methods-to-read_write_u64-fix.patch,
>  then you reverted the -mm patch but didn't revert
>  cgroup-api-files-rename-read-write_uint-methods-to-read_write_u64-fix.patch.
>

Hmm.  Bizarro.  I have no recollection of applying such a patch, but maybe
I need to get some more sleep.  I just downloaded the whole 2.6.25-rc9
tarball and lo and behold, it worked.

Sorry for the noise,

        Miles
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