From: Rob Herring <robh@kernel.org>
To: mhocko@kernel.org
Cc: linux-mm@kvack.org, hannes@cmpxchg.org,
Andrew Morton <akpm@linux-foundation.org>,
linux-arch@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: why do we still need bootmem allocator?
Date: Mon, 25 Jun 2018 10:09:41 -0600 [thread overview]
Message-ID: <CABGGisyVpfYCz7-5AGB-3Ld9hcuikPVk=19xPc1AwffjhsV+kg@mail.gmail.com> (raw)
In-Reply-To: <20180625140754.GB29102@dhcp22.suse.cz>
On Mon, Jun 25, 2018 at 8:08 AM Michal Hocko <mhocko@kernel.org> wrote:
>
> Hi,
> I am wondering why do we still keep mm/bootmem.c when most architectures
> already moved to nobootmem. Is there any fundamental reason why others
> cannot or this is just a matter of work?
Just because no one has done the work. I did a couple of arches
recently (sh, microblaze, and h8300) mainly because I broke them with
some DT changes.
> Btw. what really needs to be
> done? Btw. is there any documentation telling us what needs to be done
> in that regards?
No. The commits converting the arches are the only documentation. It's
a bit more complicated for platforms that have NUMA support.
Rob
next prev parent reply other threads:[~2018-06-25 16:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-25 14:07 why do we still need bootmem allocator? Michal Hocko
2018-06-25 16:09 ` Rob Herring [this message]
2018-06-25 18:03 ` Michal Hocko
2018-06-27 10:11 ` Mike Rapoport
2018-06-27 10:40 ` Michal Hocko
2018-06-27 13:58 ` Rob Herring
2018-06-27 15:58 ` Mike Rapoport
2018-06-27 11:26 ` Mike Rapoport
2018-06-27 13:33 ` Rob Herring
2018-06-27 16:02 ` Mike Rapoport
2018-07-01 12:22 ` h8300: BUG: Bad page state in process swapper (was: Re: why do we still need bootmem allocator?) Mike Rapoport
2018-07-02 6:09 ` Yoshinori Sato
2018-07-12 14:40 ` Yoshinori Sato
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