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From: David Howells <dhowells@redhat.com>
To: Matt Mackall <mpm@selenic.com>
Cc: David Howells <dhowells@redhat.com>, Aubrey <aubreylee@gmail.com>,
	Nick Piggin <nickpiggin@yahoo.com.au>,
	linux-kernel@vger.kernel.org, davidm@snapgear.com,
	gerg@snapgear.com
Subject: Re: kernel BUGs when removing largish files with the SLOB allocator
Date: Tue, 12 Sep 2006 21:56:46 +0100	[thread overview]
Message-ID: <6495.1158094606@warthog.cambridge.redhat.com> (raw)
In-Reply-To: <20060912205107.GF19707@waste.org>

Matt Mackall <mpm@selenic.com> wrote:

> > > You just broke the bit that shrinks the arena.
> > 
> > How?  This is only called once when things are being initialised.  There can
> > be no SLOB objects allocated prior to that point.
> 
> It's on a timer.

So what then?  The timer is still initialised:

	void kmem_cache_init(void)
	{
	+#if 0
		void *p = slob_alloc(PAGE_SIZE, 0, PAGE_SIZE-1);

		if (p)
			free_page((unsigned long)p);
	+#endif

		mod_timer(&slob_timer, jiffies + HZ);
	}

David

  reply	other threads:[~2006-09-12 20:57 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-04  6:56 kernel BUGs when removing largish files with the SLOB allocator Aubrey
2006-09-04 10:21 ` David Howells
2006-09-05  3:52   ` Aubrey
2006-09-05  9:35     ` David Howells
2006-09-06  2:35       ` Aubrey
2006-09-06  3:36         ` Nick Piggin
2006-09-12  8:07           ` Aubrey
2006-09-12  8:54             ` David Howells
2006-09-12 10:53               ` Aubrey
2006-09-12 17:43             ` Matt Mackall
2006-09-12 19:10               ` David Howells
2006-09-12 20:51                 ` Matt Mackall
2006-09-12 20:56                   ` David Howells [this message]
2006-09-12 21:04                     ` Matt Mackall
2006-09-12 21:59                       ` David Howells
2006-09-13 19:39                         ` Matt Mackall
2006-09-13  2:16                 ` Nick Piggin
2006-09-13  7:21                   ` Aubrey
2006-09-12 19:25               ` David Howells
2006-09-12 20:28                 ` Matt Mackall
2006-09-12 21:02                   ` David Howells
2006-09-12 21:15                     ` Matt Mackall
2006-09-12 20:49                 ` Matt Mackall

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