From: Andrew Morton <akpm@osdl.org>
To: Kevin Corry <kevcorry@us.ibm.com>
Cc: evms-devel@lists.sourceforge.net,
rajesh_ghanekar@persistent.co.in, dm-devel@redhat.com,
linux-kernel@vger.kernel.org
Subject: Re: [Evms-devel] dm snapshot problem
Date: Thu, 13 Jan 2005 19:44:48 -0800 [thread overview]
Message-ID: <20050113194448.0e3f15c9.akpm@osdl.org> (raw)
In-Reply-To: <200501132142.26663.kevcorry@us.ibm.com>
Kevin Corry <kevcorry@us.ibm.com> wrote:
>
> Now that you mention it, the memory pages to hold the copied data is allocated
> at the time the snapshot device is activated, and uses
> alloc_page(GFP_KERNEL). Should we switch this to alloc_page(GFP_HIGHUSER)?
Sure, if possible. You'll need to map them in with kmap_atomic() when
actually altering their contents, of course.
next prev parent reply other threads:[~2005-01-14 3:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <41E35950.9040201@persistent.co.in>
[not found] ` <200501110834.42839.kevcorry@us.ibm.com>
[not found] ` <41E5116E.7000709@persistent.co.in>
2005-01-12 16:36 ` [Evms-devel] dm snapshot problem Kevin Corry
2005-01-13 6:51 ` Andrew Morton
2005-01-13 21:26 ` Kevin Corry
2005-01-13 22:34 ` Andrew Morton
2005-01-14 3:42 ` Kevin Corry
2005-01-14 3:44 ` Andrew Morton [this message]
[not found] ` <20050112183549.GA14782@osdl.org>
2005-01-13 21:58 ` Kevin Corry
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