linux-kernel - Re: drm/radeon spamming alloc_contig

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Message-ID: <20161201071507.GC18272@dhcp22.suse.cz>
Date:   Thu, 1 Dec 2016 08:15:07 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     "Robin H. Johnson" <robbat2@...too.org>
Cc:     Michal Nazarewicz <mina86@...a86.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy

On Wed 30-11-16 20:19:03, Robin H. Johnson wrote:
[...]
> alloc_contig_range: [83f2a3, 83f2a4) PFNs busy

Huh, do I get it right that the request was for a _single_ page? Why do
we need CMA for that?
-- 
Michal Hocko
SUSE Labs