From: Mike Rapoport <rppt@linux.ibm.com>
To: Adam Ford <aford173@gmail.com>
Cc: Fabio Estevam <festevam@gmail.com>, Rich Felker <dalias@libc.org>,
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Subject: Re: [PATCH v2 00/21] Refine memblock API
Date: Sat, 28 Sep 2019 10:33:32 +0300 [thread overview]
Message-ID: <20190928073331.GA5269@linux.ibm.com> (raw)
In-Reply-To: <CAHCN7xL1sFXDhKUpj04d3eDZNgLA1yGAOqwEeCxedy1Qm-JOfQ@mail.gmail.com>
On Thu, Sep 26, 2019 at 02:35:53PM -0500, Adam Ford wrote:
> On Thu, Sep 26, 2019 at 11:04 AM Mike Rapoport <rppt@linux.ibm.com> wrote:
> >
> > Hi,
> >
> > On Thu, Sep 26, 2019 at 08:09:52AM -0500, Adam Ford wrote:
> > > On Wed, Sep 25, 2019 at 10:17 AM Fabio Estevam <festevam@gmail.com> wrote:
> > > >
> > > > On Wed, Sep 25, 2019 at 9:17 AM Adam Ford <aford173@gmail.com> wrote:
> > > >
> > > > > I tried cma=256M and noticed the cma dump at the beginning didn't
> > > > > change. Do we need to setup a reserved-memory node like
> > > > > imx6ul-ccimx6ulsom.dtsi did?
> > > >
> > > > I don't think so.
> > > >
> > > > Were you able to identify what was the exact commit that caused such regression?
> > >
> > > I was able to narrow it down the 92d12f9544b7 ("memblock: refactor
> > > internal allocation functions") that caused the regression with
> > > Etnaviv.
> >
> >
> > Can you please test with this change:
> >
>
> That appears to have fixed my issue. I am not sure what the impact
> is, but is this a safe option?
It's not really a fix, I just wanted to see how exactly 92d12f9544b7 ("memblock:
refactor internal allocation functions") broke your setup.
Can you share the dts you are using and the full kernel log?
> adam
>
> > diff --git a/mm/memblock.c b/mm/memblock.c
> > index 7d4f61a..1f5a0eb 100644
> > --- a/mm/memblock.c
> > +++ b/mm/memblock.c
> > @@ -1356,9 +1356,6 @@ static phys_addr_t __init memblock_alloc_range_nid(phys_addr_t size,
> > align = SMP_CACHE_BYTES;
> > }
> >
> > - if (end > memblock.current_limit)
> > - end = memblock.current_limit;
> > -
> > again:
> > found = memblock_find_in_range_node(size, align, start, end, nid,
> > flags);
> >
> > > I also noticed that if I create a reserved memory node as was done one
> > > imx6ul-ccimx6ulsom.dtsi the 3D seems to work again, but without it, I
> > > was getting errors regardless of the 'cma=256M' or not.
> > > I don't have a problem using the reserved memory, but I guess I am not
> > > sure what the amount should be. I know for the video decoding 1080p,
> > > I have historically used cma=128M, but with the 3D also needing some
> > > memory allocation, is that enough or should I use 256M?
> > >
> > > adam
> >
> > --
> > Sincerely yours,
> > Mike.
> >
--
Sincerely yours,
Mike.
next prev parent reply other threads:[~2019-09-28 7:33 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-21 8:03 [PATCH v2 00/21] Refine memblock API Mike Rapoport
2019-01-21 8:03 ` [PATCH v2 01/21] openrisc: prefer memblock APIs returning virtual address Mike Rapoport
2019-01-27 3:07 ` Stafford Horne
2019-01-21 8:03 ` [PATCH v2 02/21] powerpc: use memblock functions " Mike Rapoport
2019-01-29 9:52 ` Michael Ellerman
2019-01-21 8:03 ` [PATCH v2 03/21] memblock: replace memblock_alloc_base(ANYWHERE) with memblock_phys_alloc Mike Rapoport
2019-01-21 8:03 ` [PATCH v2 04/21] memblock: drop memblock_alloc_base_nid() Mike Rapoport
2019-01-21 8:03 ` [PATCH v2 05/21] memblock: emphasize that memblock_alloc_range() returns a physical address Mike Rapoport
2019-01-21 8:03 ` [PATCH v2 06/21] memblock: memblock_phys_alloc_try_nid(): don't panic Mike Rapoport
2019-01-25 17:45 ` Catalin Marinas
2019-01-25 19:32 ` Mike Rapoport
2019-01-29 9:56 ` Michael Ellerman
2019-01-29 9:58 ` Michael Ellerman
2019-01-21 8:03 ` [PATCH v2 07/21] memblock: memblock_phys_alloc(): " Mike Rapoport
2019-01-21 8:03 ` [PATCH v2 08/21] memblock: drop __memblock_alloc_base() Mike Rapoport
2019-01-21 8:03 ` [PATCH v2 09/21] memblock: drop memblock_alloc_base() Mike Rapoport
2019-01-29 10:29 ` Michael Ellerman
2019-01-21 8:03 ` [PATCH v2 10/21] memblock: refactor internal allocation functions Mike Rapoport
2019-02-03 9:39 ` Michael Ellerman
2019-02-03 10:04 ` Mike Rapoport
2019-02-03 11:39 ` Mike Rapoport
2019-02-04 8:45 ` Michael Ellerman
2019-02-04 23:08 ` Stephen Rothwell
2019-01-21 8:03 ` [PATCH v2 11/21] memblock: make memblock_find_in_range_node() and choose_memblock_flags() static Mike Rapoport
2019-01-21 8:03 ` [PATCH v2 12/21] arch: use memblock_alloc() instead of memblock_alloc_from(size, align, 0) Mike Rapoport
2019-01-21 8:04 ` [PATCH v2 13/21] arch: don't memset(0) memory returned by memblock_alloc() Mike Rapoport
2019-01-21 8:04 ` [PATCH v2 14/21] ia64: add checks for the return value of memblock_alloc*() Mike Rapoport
2019-01-21 8:04 ` [PATCH v2 15/21] sparc: " Mike Rapoport
2019-01-21 8:04 ` [PATCH v2 16/21] mm/percpu: " Mike Rapoport
2019-01-21 8:04 ` [PATCH v2 17/21] init/main: " Mike Rapoport
2019-01-21 8:04 ` [PATCH v2 18/21] swiotlb: " Mike Rapoport
2019-01-21 8:04 ` [PATCH v2 19/21] treewide: " Mike Rapoport
2019-01-21 8:39 ` Geert Uytterhoeven
2019-01-21 8:39 ` Geert Uytterhoeven
2019-01-21 17:18 ` Rob Herring
2019-01-31 6:07 ` Christophe Leroy
2019-01-31 6:41 ` Mike Rapoport
2019-01-31 6:44 ` Christophe Leroy
2019-01-31 7:07 ` Christophe Leroy
2019-01-31 7:14 ` Mike Rapoport
2019-01-21 8:04 ` [PATCH v2 20/21] memblock: memblock_alloc_try_nid: don't panic Mike Rapoport
2019-01-21 8:04 ` [PATCH v2 21/21] memblock: drop memblock_alloc_*_nopanic() variants Mike Rapoport
2019-01-30 13:38 ` Petr Mladek
2019-09-24 17:52 ` [PATCH v2 00/21] Refine memblock API Adam Ford
2019-09-25 6:42 ` Mike Rapoport
2019-09-25 12:12 ` Fabio Estevam
2019-09-25 12:17 ` Adam Ford
2019-09-25 15:17 ` Fabio Estevam
2019-09-26 13:09 ` Adam Ford
2019-09-26 16:04 ` Mike Rapoport
2019-09-26 19:35 ` Adam Ford
2019-09-28 7:33 ` Mike Rapoport [this message]
2019-09-29 13:33 ` Adam Ford
2019-10-02 0:14 ` Adam Ford
2019-10-02 7:36 ` Mike Rapoport
2019-10-02 11:14 ` Adam Ford
2019-10-03 5:34 ` Mike Rapoport
2019-10-03 8:49 ` Russell King - ARM Linux admin
2019-10-03 11:30 ` Mike Rapoport
2019-10-03 13:17 ` Lucas Stach
2019-10-04 9:27 ` Russell King - ARM Linux admin
2019-10-04 13:21 ` Lucas Stach
2019-10-04 13:58 ` Adam Ford
2019-10-04 17:10 ` Mike Rapoport
2019-10-04 17:29 ` Mike Rapoport
2019-10-03 14:46 ` Chris Healy
2019-10-04 9:12 ` Russell King - ARM Linux admin
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