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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Zi Yan <zi.yan@cs.rutgers.edu>
Cc: kbuild test robot <lkp@intel.com>,
	"kbuild-all@01.org" <kbuild-all@01.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Linux MM <linux-mm@kvack.org>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Minchan Kim <minchan@kernel.org>,
	Vlastimil Babka <vbabka@suse.cz>,
	Mel Gorman <mgorman@techsingularity.net>,
	Michal Hocko <mhocko@kernel.org>,
	Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
	Anshuman Khandual <khandual@linux.vnet.ibm.com>,
	dnellans@nvidia.com
Subject: Re: [PATCH v4 05/11] mm: thp: enable thp migration in generic path
Date: Wed, 15 Mar 2017 10:01:08 +0100	[thread overview]
Message-ID: <CAMuHMdXQqdZpvtv9un8AoNu-9D5Aq+ZdoPjTrCqka1afi5RQsA@mail.gmail.com> (raw)
In-Reply-To: <58C866B6.4040800@cs.rutgers.edu>

On Tue, Mar 14, 2017 at 10:55 PM, Zi Yan <zi.yan@cs.rutgers.edu> wrote:
>>>> include/linux/swapops.h:223:2: warning: missing braces around initializer [-Wmissing-braces]
>>      return (pmd_t){ 0 };
>>      ^
>>    include/linux/swapops.h:223:2: warning: (near initialization for '(anonymous).pmd') [-Wmissing-braces]
>
> I do not have any warning with gcc 6.3.0. This seems to be a GCC bug
> (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119).

I guess you need

    return (pmd_t) { { 0, }};

to kill the warning.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

WARNING: multiple messages have this Message-ID (diff)
From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Zi Yan <zi.yan@cs.rutgers.edu>
Cc: kbuild test robot <lkp@intel.com>,
	"kbuild-all@01.org" <kbuild-all@01.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Linux MM <linux-mm@kvack.org>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Minchan Kim <minchan@kernel.org>,
	Vlastimil Babka <vbabka@suse.cz>,
	Mel Gorman <mgorman@techsingularity.net>,
	Michal Hocko <mhocko@kernel.org>,
	Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
	Anshuman Khandual <khandual@linux.vnet.ibm.com>,
	dnellans@nvidia.com
Subject: Re: [PATCH v4 05/11] mm: thp: enable thp migration in generic path
Date: Wed, 15 Mar 2017 10:01:08 +0100	[thread overview]
Message-ID: <CAMuHMdXQqdZpvtv9un8AoNu-9D5Aq+ZdoPjTrCqka1afi5RQsA@mail.gmail.com> (raw)
In-Reply-To: <58C866B6.4040800@cs.rutgers.edu>

On Tue, Mar 14, 2017 at 10:55 PM, Zi Yan <zi.yan@cs.rutgers.edu> wrote:
>>>> include/linux/swapops.h:223:2: warning: missing braces around initializer [-Wmissing-braces]
>>      return (pmd_t){ 0 };
>>      ^
>>    include/linux/swapops.h:223:2: warning: (near initialization for '(anonymous).pmd') [-Wmissing-braces]
>
> I do not have any warning with gcc 6.3.0. This seems to be a GCC bug
> (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119).

I guess you need

    return (pmd_t) { { 0, }};

to kill the warning.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

--
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  reply	other threads:[~2017-03-15  9:01 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-13 15:44 [PATCH v4 00/11] mm: page migration enhancement for thp Zi Yan
2017-03-13 15:44 ` Zi Yan
2017-03-13 15:44 ` [PATCH v4 01/11] mm: x86: move _PAGE_SWP_SOFT_DIRTY from bit 7 to bit 1 Zi Yan
2017-03-13 15:44   ` Zi Yan
2017-03-24 18:23   ` Tim Chen
2017-03-24 18:23     ` Tim Chen
2017-03-24 18:30     ` Zi Yan
2017-03-24 18:30       ` Zi Yan
2017-03-13 15:44 ` [PATCH v4 02/11] mm: mempolicy: add queue_pages_node_check() Zi Yan
2017-03-13 15:44   ` Zi Yan
2017-03-13 15:44 ` [PATCH v4 03/11] mm: thp: introduce separate TTU flag for thp freezing Zi Yan
2017-03-13 15:44   ` Zi Yan
2017-03-13 15:45 ` [PATCH v4 04/11] mm: thp: introduce CONFIG_ARCH_ENABLE_THP_MIGRATION Zi Yan
2017-03-13 15:45   ` Zi Yan
2017-03-24 14:10   ` Kirill A. Shutemov
2017-03-24 14:10     ` Kirill A. Shutemov
2017-03-24 14:21     ` Zi Yan
2017-03-24 14:21       ` Zi Yan
2017-03-13 15:45 ` [PATCH v4 05/11] mm: thp: enable thp migration in generic path Zi Yan
2017-03-13 15:45   ` Zi Yan
2017-03-14 21:19   ` kbuild test robot
2017-03-14 21:55     ` Zi Yan
2017-03-14 21:55       ` Zi Yan
2017-03-15  9:01       ` Geert Uytterhoeven [this message]
2017-03-15  9:01         ` Geert Uytterhoeven
2017-03-15 16:00         ` Zi Yan
2017-03-15 16:00           ` Zi Yan
2017-03-14 21:26   ` kbuild test robot
2017-03-24 14:28   ` Kirill A. Shutemov
2017-03-24 14:28     ` Kirill A. Shutemov
2017-03-24 15:30     ` Zi Yan
2017-03-24 15:30       ` Zi Yan
2017-03-13 15:45 ` [PATCH v4 06/11] mm: thp: check pmd migration entry in common path Zi Yan
2017-03-13 15:45   ` Zi Yan
2017-03-24 14:50   ` Kirill A. Shutemov
2017-03-24 14:50     ` Kirill A. Shutemov
2017-03-24 16:09     ` Zi Yan
2017-03-24 16:09       ` Zi Yan
2017-03-24 16:50       ` Kirill A. Shutemov
2017-03-24 16:50         ` Kirill A. Shutemov
2017-03-24 17:09         ` Zi Yan
2017-03-24 17:09           ` Zi Yan
2017-03-13 15:45 ` [PATCH v4 07/11] mm: soft-dirty: keep soft-dirty bits over thp migration Zi Yan
2017-03-13 15:45   ` Zi Yan
2017-03-13 15:45 ` [PATCH v4 08/11] mm: hwpoison: soft offline supports " Zi Yan
2017-03-13 15:45   ` Zi Yan
2017-03-13 15:45 ` [PATCH v4 09/11] mm: mempolicy: mbind and migrate_pages support " Zi Yan
2017-03-13 15:45   ` Zi Yan
2017-03-13 15:45 ` [PATCH v4 10/11] mm: migrate: move_pages() supports " Zi Yan
2017-03-13 15:45   ` Zi Yan
2017-03-13 15:45 ` [PATCH v4 11/11] mm: memory_hotplug: memory hotremove " Zi Yan
2017-03-13 15:45   ` Zi Yan

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