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From: gorcunov@gmail.com (Cyrill Gorcunov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm: align shared memory unconditionally to the SHMLBA boundary
Date: Tue, 16 Jul 2013 13:53:49 +0400	[thread overview]
Message-ID: <20130716095349.GB16370@moon> (raw)
In-Reply-To: <51E4DC0B.8040908@parallels.com>

On Tue, Jul 16, 2013 at 09:37:15AM +0400, Alexander Kartashov wrote:
> On 07/15/2013 10:57 PM, Cyrill Gorcunov wrote:
> >Alexander, mind to remind where exactly we're failing in c/r procedure
> 
> It isn't always possible to pin an IPC SHM region
> using shmat() at the address returned by shmget()
> so sometimes it's impossible to restore a process
> that uses the IPC SHM.

Does it mean that we simply can't checkpoint and restore on same
node (ie same arm family) if this patch is not applied, right?
Is there any possibility to somehow workaround this problem
completely in user-space?

  reply	other threads:[~2013-07-16  9:53 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-19  6:11 [PATCH] arm: align shared memory unconditionally to the SHMLBA boundary Alexander Kartashov
2013-07-15 17:32 ` Cyrill Gorcunov
2013-07-15 18:08   ` Russell King - ARM Linux
2013-07-15 18:57     ` Cyrill Gorcunov
2013-07-16  5:37       ` Alexander Kartashov
2013-07-16  9:53         ` Cyrill Gorcunov [this message]
2013-07-16 10:22           ` Alexander Kartashov
2013-07-16 10:36             ` Russell King - ARM Linux
2013-07-16 10:47               ` Alexander Kartashov
2013-07-16 11:07                 ` Russell King - ARM Linux
2013-07-16 13:12                   ` Alexander Kartashov
2013-08-16  8:20                     ` Alexander Kartashov

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