From: Yinghai Lu <yinghai@kernel.org>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: Tejun Heo <tj@kernel.org>, Michal Hocko <mhocko@suse.cz>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: Weirdness in __alloc_bootmem_node_high
Date: Fri, 20 Apr 2012 12:30:54 -0700 [thread overview]
Message-ID: <CAE9FiQU-M0yW_rwysq56zrZzift=PxgwioMmx8bMcJ5o20m2TQ@mail.gmail.com> (raw)
In-Reply-To: <20120420191418.GA3569@merkur.ravnborg.org>
On Fri, Apr 20, 2012 at 12:14 PM, Sam Ravnborg <sam@ravnborg.org> wrote:
>
> I took a quick look at this.
> __alloc_bootmem_node_high() is used in mm/sparse.c - but only
> if SPARSEMEM_VMEMMAP is enabled.
>
> mips has this:
>
> config ARCH_SPARSEMEM_ENABLE
> bool
> select SPARSEMEM_STATIC
>
> So SPARSEMEM_VMEMMAP is not enabled.
>
> __alloc_bootmem_node_high() is used in mm/sparse-vmemmap.c which
> also depends on CONFIG_SPARSEMEM_VMEMMAP.
>
>
> So I really do not see the logic in __alloc_bootmem_node_high()
> being used anymore and it can be replaced by __alloc_bootmem_node()
Yes, you are right. __alloc_bootmem_node_high could be removed.
BTW, x86 is still the only one that use NO_BOOTMEM.
Are you working on making sparc to use NO_BOOTMEM?
Yinghai
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next prev parent reply other threads:[~2012-04-20 19:30 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-17 15:55 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 [this message]
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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