[PATCH] arm: align shared memory unconditionally to the SHMLBA boundary

Alexander Kartashov alekskartashov at parallels.com
Tue Jul 16 06:22:41 EDT 2013

On 07/16/2013 01:53 PM, Cyrill Gorcunov wrote:
> 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?
Yes, it does.
> Is there any possibility to somehow workaround this problem
> completely in user-space?
No, it's impossible since an IPC SHM region is allocated
by the routine shmget() in the dumpee; if the routine
returns an incorrectly aligned address it's impossible
to reattach the region at this address while restoring
the dumpee.

Sincerely yours,
Alexander Kartashov

Core team


Skype: aleksandr.kartashov
Email: alekskartashov at parallels.com

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