From: Kent Overstreet <koverstreet@google.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: kernel list <linux-kernel@vger.kernel.org>, linux-bcache@vger.kernel.org
Subject: Re: bcache: order 7 allocation
Date: Mon, 24 Jun 2013 13:05:18 -0700 [thread overview]
Message-ID: <20130624200518.GA2509@google.com> (raw)
In-Reply-To: <20130622114745.GB8075@amd.pavel.ucw.cz>
On Sat, Jun 22, 2013 at 01:47:46PM +0200, Pavel Machek wrote:
> Hi!
>
> I'm trying to play with bcache, but first surprise was oom in syslog:
>
> Order 7 alocation is pretty big, no?
That's a btree node - and after it allocates the reserve at startup,
allocation failures don't matter.
I would just flip on CONFIG_COMPACTION - CONFIG_BCACHE used to select
that but someone complained (probably I just shouldn't have listened).
prev parent reply other threads:[~2013-06-24 20:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-22 11:47 bcache: order 7 allocation Pavel Machek
2013-06-22 11:47 ` Pavel Machek
2013-06-24 20:05 ` Kent Overstreet [this message]
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