From: Sam Ravnborg <sam@ravnborg.org>
To: David Miller <davem@davemloft.net>
Cc: yinghai@kernel.org, tj@kernel.org, mhocko@suse.cz,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: Weirdness in __alloc_bootmem_node_high
Date: Sun, 22 Apr 2012 22:05:54 +0200 [thread overview]
Message-ID: <20120422200554.GA6385@merkur.ravnborg.org> (raw)
In-Reply-To: <20120422.152210.1520263792125579554.davem@davemloft.net>
On Sun, Apr 22, 2012 at 03:22:10PM -0400, David Miller wrote:
> From: Sam Ravnborg <sam@ravnborg.org>
> Date: Fri, 20 Apr 2012 21:43:09 +0200
>
> > I have it almost finished - except that it does not work :-(
> > We have limitations in what area we can allocate very early,
> > and here I had to use the alloc_bootmem_low() variant.
> > I had preferred a variant that allowed me to allocate
> > bottom-up in this case.
>
> I think you're going to have to bear down and map all of linear kernel
> mappings before you start using the bootmem code rather than
> afterwards.
Thanks - I will try to do so.
But I must admit I do not (yet) see any big difference in the
approach before/after.
I digged up an old todo regarding final link of vmlinux.
Will look at this and then re-visit memblock at sparc32.
Sam
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next prev parent reply other threads:[~2012-04-22 20:05 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
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 [this message]
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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