From: Paul Jackson <pj@sgi.com>
To: Nick Piggin <npiggin@suse.de>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@osdl.org,
dsp@llnl.gov
Subject: Re: [rfc][patch] fixes for several oom killer problems
Date: Mon, 26 Jun 2006 11:09:33 -0700 [thread overview]
Message-ID: <20060626110933.8fe47858.pj@sgi.com> (raw)
In-Reply-To: <20060626162038.GB7573@wotan.suse.de>
Acked-by: Paul Jackson <pj@sgi.com>
+ /*
+ * If p's nodes don't overlap ours, it may still help to kill p
+ * because p may have allocated or otherwise mapped memory on
+ * this node before. However it will be less likely.
+ */
+ if (!cpuset_excl_nodes_overlap(p))
+ points /= 4;
Good.
int cpuset_excl_nodes_overlap(const struct task_struct *p)
{
const struct cpuset *cs1, *cs2; /* my and p's cpuset ancestors */
- int overlap = 0; /* do cpusets overlap? */
+ int overlap = 1; /* do cpusets overlap? */
Good.
Thanks, Nick and Jan.
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.925.600.0401
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prev parent reply other threads:[~2006-06-26 18:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-26 16:20 Nick Piggin
2006-06-26 17:39 ` Nick Piggin
2006-06-26 18:09 ` Paul Jackson [this message]
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