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From: Nigel Cunningham <ncunningham@linuxmail.org>
To: Dave Jones <davej@redhat.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@digeo.com>
Subject: Re: [PATCH] SMP support for drain local pages v2.
Date: Thu, 27 May 2004 08:56:34 +1000	[thread overview]
Message-ID: <40B520A2.2060508@linuxmail.org> (raw)
In-Reply-To: <20040526223255.GB15278@redhat.com>

Thanks Dave for educating the ignorant :>.

Is this better?

--- 2.6.6-current-bk/mm/page_alloc.c    2004-05-26 19:47:15.000000000 +1000
+++ smp-drain-local-pages/mm/page_alloc.c       2004-05-27 08:50:36.000000000 +1000
@@ -459,6 +459,20 @@
         __drain_pages(smp_processor_id());
         local_irq_restore(flags);
  }
+
+/*
+ * Spill per-cpu pages on all CPUs back into the buddy allocator.
+ * The first function is just to avoid a compiler warning.
+ */
+static void __smp_drain_local_pages(void * data)
+{
+       drain_local_pages();
+}
+
+void smp_drain_local_pages(void)
+{
+       on_each_cpu(__smp_drain_local_pages, NULL, 0, 1);
+}
  #endif /* CONFIG_PM */

  static void zone_statistics(struct zonelist *zonelist, struct zone *z)

  reply	other threads:[~2004-05-26 23:02 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-26 10:39 [PATCH] SMP support for drain local pages Nigel Cunningham
2004-05-26 22:32 ` Dave Jones
2004-05-26 22:56   ` Nigel Cunningham [this message]
2004-05-26 23:26     ` [PATCH] SMP support for drain local pages v2 Andrew Morton
2004-05-26 23:38       ` Nigel Cunningham
2004-05-26 23:56         ` Andrew Morton
2004-05-26 23:56           ` Nigel Cunningham
2004-05-27 19:29         ` Pavel Machek
2004-05-27 21:22           ` Nigel Cunningham
2004-05-27 19:25 ` [PATCH] SMP support for drain local pages Pavel Machek

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