From: Souptick Joarder <jrdr.linux@gmail.com>
To: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linux-MM <linux-mm@kvack.org>,
linux-kernel@vger.kernel.org,
Matthew Wilcox <willy@infradead.org>
Subject: Re: [PATCH] include/linux/hugetlb.h: Convert to use vm_fault_t
Date: Tue, 19 Mar 2019 08:04:19 +0530 [thread overview]
Message-ID: <CAFqt6zah2hM1X5-TCsrGN6xVG+CYRygvMiZ98jBdSeepFqaSew@mail.gmail.com> (raw)
In-Reply-To: <08a039da-6bc2-0da9-e83e-46cce6d7264b@oracle.com>
On Tue, Mar 19, 2019 at 5:47 AM Mike Kravetz <mike.kravetz@oracle.com> wrote:
>
>
> On 3/18/19 9:26 AM, Souptick Joarder wrote:
> > kbuild produces the below warning ->
> >
> > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head: 5453a3df2a5eb49bc24615d4cf0d66b2aae05e5f
> > commit 3d3539018d2c ("mm: create the new vm_fault_t type")
> > reproduce:
> > # apt-get install sparse
> > git checkout 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
> > make ARCH=x86_64 allmodconfig
> > make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
> >
> >>> mm/memory.c:3968:21: sparse: incorrect type in assignment (different
> >>> base types) @@ expected restricted vm_fault_t [usertype] ret @@
> >>> got e] ret @@
> > mm/memory.c:3968:21: expected restricted vm_fault_t [usertype] ret
> > mm/memory.c:3968:21: got int
> >
> > This patch will convert to return vm_fault_t type for hugetlb_fault()
> > when CONFIG_HUGETLB_PAGE =n.
> >
> > Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
>
> Thanks for fixing this.
>
> The BUG() here and in several other places in this file is unnecessary
> and IMO should be cleaned up. But that is beyond the scope of this fix.
> Added to my to do list.
I can clean it up if you are fine ;-)
>
> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
> --
> Mike Kravetz
next prev parent reply other threads:[~2019-03-19 2:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-18 16:26 [PATCH] include/linux/hugetlb.h: Convert to use vm_fault_t Souptick Joarder
2019-03-19 0:17 ` Mike Kravetz
2019-03-19 2:34 ` Souptick Joarder [this message]
2019-03-19 3:20 ` Matthew Wilcox
2019-03-19 17:51 ` Luc Van Oostenryck
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAFqt6zah2hM1X5-TCsrGN6xVG+CYRygvMiZ98jBdSeepFqaSew@mail.gmail.com \
--to=jrdr.linux@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mike.kravetz@oracle.com \
--cc=willy@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).