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Groups > linux.kernel > #1534691
| From | Vlastimil Babka <vbabka@suse.cz> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy |
| Date | 2016-12-02 07:40 +0100 |
| Message-ID | <sJPFL-8pI-1@gated-at.bofh.it> (permalink) |
| References | (7 earlier) <sJuhX-PI-23@gated-at.bofh.it> <sJAno-4Xx-17@gated-at.bofh.it> <sJC5P-6gw-21@gated-at.bofh.it> <sJCfv-6mQ-25@gated-at.bofh.it> <sJGMa-2gf-25@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 12/01/2016 10:02 PM, Michal Nazarewicz wrote: > On Thu, Dec 01 2016, Michal Hocko wrote: >> I am not familiar with this code so I cannot really argue but a quick >> look at rmem_cma_setup doesn't suggest any speicific placing or >> anything... > > early_cma parses ‘cma’ command line argument which can specify where > exactly the default CMA area is to be located. Furthermore, CMA areas > can be assigned per-device (via the Device Tree IIRC). OK, but the context of this bug report is a generic cma pool and generic dma alloc, which tries cma first and then fallback to alloc_pages_node(). If a device really requires specific placing as you suggest, then it probably uses a different allocation interface, otherwise there would be some flag to disallow the alloc_pages_node() fallback?
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PROBLEM-PERSISTS: dmesg spam: alloc_contig_range: [XX, YY) PFNs busy "Robin H. Johnson" <robbat2@orbis-terrarum.net> - 2016-11-29 23:50 +0100
Re: PROBLEM-PERSISTS: dmesg spam: alloc_contig_range: [XX, YY) PFNs busy Michal Hocko <mhocko@kernel.org> - 2016-11-30 10:30 +0100
Re: PROBLEM-PERSISTS: dmesg spam: alloc_contig_range: [XX, YY) PFNs busy Michal Nazarewicz <mina86@mina86.com> - 2016-11-30 14:10 +0100
Re: PROBLEM-PERSISTS: dmesg spam: alloc_contig_range: [XX, YY) PFNs busy Michal Hocko <mhocko@kernel.org> - 2016-11-30 14:30 +0100
Re: PROBLEM-PERSISTS: dmesg spam: alloc_contig_range: [XX, YY) PFNs busy "Robin H. Johnson" <robbat2@gentoo.org> - 2016-11-30 21:00 +0100
drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy "Robin H. Johnson" <robbat2@gentoo.org> - 2016-11-30 21:20 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy Vlastimil Babka <vbabka@suse.cz> - 2016-11-30 22:30 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy "Robin H. Johnson" <robbat2@gentoo.org> - 2016-12-01 07:30 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy Vlastimil Babka <vbabka@suse.cz> - 2016-12-01 08:40 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy "Robin H. Johnson" <robbat2@gentoo.org> - 2016-12-01 09:00 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy Michal Hocko <mhocko@kernel.org> - 2016-12-01 08:20 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy Michal Hocko <mhocko@kernel.org> - 2016-12-01 08:30 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy Vlastimil Babka <vbabka@suse.cz> - 2016-12-01 08:50 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy Michal Hocko <mhocko@kernel.org> - 2016-12-01 15:20 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy Michal Nazarewicz <mina86@mina86.com> - 2016-12-01 17:10 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy Michal Hocko <mhocko@kernel.org> - 2016-12-01 17:20 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy Michal Nazarewicz <mina86@mina86.com> - 2016-12-01 22:10 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy Vlastimil Babka <vbabka@suse.cz> - 2016-12-02 07:40 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy Lucas Stach <l.stach@pengutronix.de> - 2016-12-02 11:30 +0100
Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy Jerome Glisse <j.glisse@gmail.com> - 2016-12-02 16:20 +0100
Re: PROBLEM-PERSISTS: dmesg spam: alloc_contig_range: [XX, YY) PFNs busy Michal Nazarewicz <mina86@mina86.com> - 2016-12-01 02:40 +0100
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