From: Ian Campbell <Ian.Campbell@citrix.com>
To: Frediano Ziglio <freddy77@gmail.com>
Cc: Tim Deegan <tim@xen.org>,
Stefano Stabellini <stefano.stabellini@citrix.com>,
xen-devel@lists.xen.org
Subject: Re: [RFC PATCH] ARM 32: Workaround for memory problem >1gb on last section
Date: Wed, 1 Oct 2014 11:37:50 +0100 [thread overview]
Message-ID: <1412159870.4861.13.camel@citrix.com> (raw)
In-Reply-To: <CAHt6W4c9cmLGkTANH463u2sZBQ+FmT+_FccJJf-+3PaGtkKT5Q@mail.gmail.com>
On Mon, 2014-09-29 at 17:02 +0100, Frediano Ziglio wrote:
> setup_xenheap_mappings setup head memory on Arm 32 has a limit of 1GB.
> On system with large memory is possible that there are no blocks of memory
> smaller than 1gb leading xenheap_pages to be more than 1gb.
> This cause memory errors trying to access heap after the 1gb limit.
>
> I actually consider this patch as RFC as the pages are allocated at the end
> of the block found however I don't think is safe to assume that the end is
> aligned to 32mb as required.
>
> Signed-off-by: Frediano Ziglio <frediano.ziglio@huawei.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
next prev parent reply other threads:[~2014-10-01 10:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-29 16:02 [RFC PATCH] ARM 32: Workaround for memory problem >1gb on last section Frediano Ziglio
2014-10-01 10:37 ` Ian Campbell [this message]
2014-10-01 11:29 ` Ian Campbell
2014-10-01 13:06 ` Julien Grall
-- strict thread matches above, loose matches on Subject: below --
2014-09-29 15:59 Frediano Ziglio
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