From: Sam Ravnborg <sam@ravnborg.org>
To: Yinghai Lu <yinghai@kernel.org>, Tejun Heo <tj@kernel.org>
Cc: Michal Hocko <mhocko@suse.cz>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: Weirdness in __alloc_bootmem_node_high
Date: Tue, 17 Apr 2012 20:30:42 +0200 [thread overview]
Message-ID: <20120417183042.GA21051@merkur.ravnborg.org> (raw)
In-Reply-To: <CAE9FiQXvZ4eSCwMSG2H7CC6suQe37TmQpmOEKW_082W3zz-6Fw@mail.gmail.com>
On Tue, Apr 17, 2012 at 11:07:10AM -0700, Yinghai Lu wrote:
> On Tue, Apr 17, 2012 at 10:32 AM, Michal Hocko <mhocko@suse.cz> wrote:
> > On Tue 17-04-12 10:12:30, Yinghai Lu wrote:
> >>
> >> We are not using bootmem with x86 now, so could remove those workaround now.
> >
> > Could you be more specific about what the workaround is used for?
>
> Don't bootmem allocating too low to use up all low memory. like for
> system with lots of memory for sparse vmemmap.
>
> when nobootmem.c is used, __alloc_bootmem_node_high is the same as
> __alloc_bootmem_node.
It would be nice if someone familiar with the memblock/bootmem
internals could cleans up the leftovers from the migration
of x86 to memblock / nobootmem.
This would be less to be confused about when other migrate to
use memblock.
Sam
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next prev parent reply other threads:[~2012-04-17 18:30 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 [this message]
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
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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