* Fwd: Re: [PATCH] ceph: use a shared zero page rather than one per messenger
[not found] <4F4DB1C7.6050104@dreamhost.com>
@ 2012-02-29 5:04 ` Alex Elder
0 siblings, 0 replies; only message in thread
From: Alex Elder @ 2012-02-29 5:04 UTC (permalink / raw)
To: ceph-devel
Neglected to copy the list on my response. -Alex
-------- Original Message --------
Subject: Re: [PATCH] ceph: use a shared zero page rather than one per
messenger
Date: Tue, 28 Feb 2012 21:04:07 -0800
From: Alex Elder <elder@dreamhost.com>
To: Christoph Hellwig <hch@infradead.org>
On 02/28/2012 08:18 PM, Christoph Hellwig wrote:
> On Tue, Feb 28, 2012 at 07:06:22PM -0800, Alex Elder wrote:
>> Each messenger allocates a page to be used when writing zeroes
>> out in the event of error or other abnormal condition. Just
>> allocate one at initialization time and have them all share it.
>
> Any reason you don't simply use the kernel-wide ZERO_PAGE()?
No reason, I just didn't take the change to that logical
conclusion. I'll update it to do that instead.
-Alex
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2012-02-29 5:04 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[not found] <4F4DB1C7.6050104@dreamhost.com>
2012-02-29 5:04 ` Fwd: Re: [PATCH] ceph: use a shared zero page rather than one per messenger Alex Elder
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.