Re: [PATCH] memory hotplug: Correct page reservation checking
From: Andrew Morton
Date: Mon Oct 03 2011 - 20:50:27 EST
On Mon, 26 Sep 2011 10:22:33 -0500
Nathan Fontenot <nfont@xxxxxxxxxxxxxx> wrote:
> The check to ensure that pages of recently added memory sections are correctly
> marked as reserved before trying to online the memory is broken. The request
> to online the memory fails with the following:
> kernel: section number XXX page number 256 not reserved, was it already online?
> This updates the page reservation checking to check the pages of each memory
> section of the memory block being onlined individually.
Why was this only noticed now? Is there something unusual about the
way in which you're using it, or has nobody ever used this code, or...?
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