From: Michal Hocko <mhocko@suse.cz>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Sam Ravnborg <sam@ravnborg.org>, Tejun Heo <tj@kernel.org>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: Weirdness in __alloc_bootmem_node_high
Date: Fri, 20 Apr 2012 21:41:21 +0200 [thread overview]
Message-ID: <20120420194121.GF15021@tiehlicka.suse.cz> (raw)
In-Reply-To: <CAE9FiQUytfCvr8c++im+DignUwZvHmnu8gPNDG6SOJzrF_FsNg@mail.gmail.com>
On Fri 20-04-12 12:32:38, Yinghai Lu wrote:
> On Fri, Apr 20, 2012 at 12:29 PM, Michal Hocko <mhocko@suse.cz> wrote:
> > This is what I can see in the current (Linus) git:
> > ./arch/sparc/Kconfig: select SPARSEMEM_VMEMMAP_ENABLE
> > ./arch/powerpc/Kconfig: select SPARSEMEM_VMEMMAP_ENABLE
> > ./arch/ia64/Kconfig: select SPARSEMEM_VMEMMAP_ENABLE
> > ./arch/s390/Kconfig: select SPARSEMEM_VMEMMAP_ENABLE
> > ./arch/s390/Kconfig: select SPARSEMEM_VMEMMAP
> > ./arch/x86/Kconfig: select SPARSEMEM_VMEMMAP_ENABLE if X86_64
> >
> > So there are more arches which enable SPARSEMEM_VMEMMAP so the function
> > is used. Or am I missing something?
>
> MAX_DMA32_PFN is not defined for them.
Ahh, you are right except that it is defined for x86 but that one uses
nobootmem. I missed that point.
Thanks
--
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9
Czech Republic
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next prev parent reply other threads:[~2012-04-20 19:41 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-17 15:55 Weirdness in __alloc_bootmem_node_high Michal Hocko
2012-04-17 17:12 ` Yinghai Lu
2012-04-17 17:32 ` Michal Hocko
2012-04-17 18:07 ` Yinghai Lu
2012-04-17 18:30 ` Sam Ravnborg
2012-04-17 21:33 ` Tejun Heo
2012-04-19 12:50 ` Michal Hocko
2012-04-20 18:29 ` Tejun Heo
2012-04-20 19:14 ` Sam Ravnborg
2012-04-20 19:29 ` Michal Hocko
2012-04-20 19:32 ` Yinghai Lu
2012-04-20 19:41 ` Michal Hocko [this message]
2012-04-20 19:30 ` Yinghai Lu
2012-04-20 19:43 ` Sam Ravnborg
2012-04-22 19:22 ` David Miller
2012-04-22 20:05 ` Sam Ravnborg
2012-04-23 2:00 ` David Miller
2012-04-23 5:12 ` Sam Ravnborg
2012-04-24 6:32 ` Sam Ravnborg
2012-04-24 7:00 ` David Miller
2012-04-27 3:32 ` David Miller
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