From: Benjamin LaHaise <bcrl@kvack.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: kbuild test robot <fengguang.wu@intel.com>,
Jeff Moyer <jmoyer@redhat.com>,
kbuild-all@01.org, Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [mmotm:master 140/321] fs/built-in.o:undefined reference to `filemap_page_mkwrite'
Date: Thu, 16 Jul 2015 15:12:58 -0400 [thread overview]
Message-ID: <20150716191258.GA22760@kvack.org> (raw)
In-Reply-To: <20150716190503.GA22146@redhat.com>
On Thu, Jul 16, 2015 at 09:05:03PM +0200, Oleg Nesterov wrote:
> Thanks!
...
> but the problem looks clear: CONFIG_MMU is not set, so we need
> a dummy filemap_page_mkwrite() along with generic_file_mmap() and
> generic_file_readonly_mmap().
>
> I'll send the fix, but...
>
> Benjamin, Jeff, shouldn't AIO depend on MMU? Or it can actually work even
> if CONFIG_MMU=n?
It should work when CONFIG_MMU=n, but I doubt anyone regularly attempts to
do so (if ever).
-ben
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next prev parent reply other threads:[~2015-07-16 19:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-16 1:02 kbuild test robot
2015-07-16 19:05 ` Oleg Nesterov
2015-07-16 19:12 ` Benjamin LaHaise [this message]
2015-07-16 19:38 ` Oleg Nesterov
2015-07-16 19:45 ` Benjamin LaHaise
2015-07-16 20:03 ` Oleg Nesterov
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