linux-kernel - Re: [RFC][PATCH 12/26] sched, mm: sched

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Message-ID: <CA+8MBbJVFdz0g9dqz+3YbsGypKw4-tLb2XgoFq=_qOoq_Yq=Tw@mail.gmail.com>
Date:	Fri, 15 Jun 2012 11:16:00 -0700
From:	Tony Luck <tony.luck@...el.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, Paul Turner <pjt@...gle.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Mike Galbraith <efault@....de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Dan Smith <danms@...ibm.com>,
	Bharata B Rao <bharata.rao@...il.com>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [RFC][PATCH 12/26] sched, mm: sched_{fork,exec} node assignment

On Fri, Mar 16, 2012 at 7:40 AM, Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> Rework the scheduler fork,exec hooks to allow home-node assignment.

Some compile errors on the (somewhat bizarre) CONFIG_SMP=n,
CONFIG_NUMA=y case:

> --- a/kernel/sched/core.c
> +++ b/kernel/sched/core.c
> +
> +       select_task_node(p, p->mm, SD_BALANCE_FORK);
kernel/sched/core.c: In function ‘sched_fork’:
kernel/sched/core.c:1802: error: ‘SD_BALANCE_FORK’ undeclared (first
use in this function)

Also (from an earlier patch?)

In file included from kernel/sched/core.c:84:
kernel/sched/sched.h: In function ‘offnode_tasks’:
kernel/sched/sched.h:477: error: ‘struct rq’ has no member named ‘offnode_tasks’

-Tony
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