From: Christoph Hellwig <hch@infradead.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: David Miller <davem@davemloft.net>,
clameter@sgi.com, hugh@veritas.com, James.Bottomley@steeleye.com,
rmk+lkml@arm.linux.org.uk, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Containment measures for slab objects on scatter gather lists
Date: Sat, 30 Jun 2007 09:49:48 +0100 [thread overview]
Message-ID: <20070630084948.GC21186@infradead.org> (raw)
In-Reply-To: <20070628222424.4cbae90c.akpm@linux-foundation.org>
On Thu, Jun 28, 2007 at 10:24:24PM -0700, Andrew Morton wrote:
> > Really, it would be great if we could treat kmalloc() objects
> > just like real pages.
>
> >From a high level, that seems like a bad idea. kmalloc() gives you a
> virtual address and you really shouldn't be poking around at that memory's
> underlying page's pageframe metadata.
>
> However we can of course do tasteless and weird things if the benefit is
> sufficient....
Hey, when we had exactly that issues coming up with xfs/ext3 recovery over
iscsi/aoe you said it's fine :) End result is that XFS got fixed and ext3
is still broken..
next prev parent reply other threads:[~2007-06-30 8:50 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-29 4:01 [PATCH] Containment measures for slab objects on scatter gather lists Christoph Lameter
2007-06-29 4:10 ` David Miller
2007-06-29 4:22 ` Christoph Lameter
2007-06-29 4:28 ` David Miller
2007-06-29 4:39 ` Christoph Lameter
2007-06-29 5:06 ` David Miller
2007-06-29 5:24 ` Andrew Morton
2007-06-29 5:37 ` David Miller
2007-06-29 5:45 ` Andrew Morton
2007-06-29 6:51 ` Christoph Lameter
2007-06-29 12:16 ` Alan Cox
2007-06-29 20:45 ` Andrew Morton
2007-06-29 21:14 ` Russell King
2007-06-29 23:11 ` Alan Cox
2007-06-30 7:54 ` Russell King
2007-06-29 22:39 ` Alan Cox
2007-06-29 6:50 ` Christoph Lameter
2007-06-30 8:49 ` Christoph Hellwig [this message]
2007-06-29 7:00 ` Christoph Lameter
2007-06-29 9:06 ` David Miller
2007-06-29 13:04 ` Hugh Dickins
2007-06-29 14:15 ` Christoph Lameter
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