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From: John Hubbard <jhubbard@nvidia.com>
To: kbuild test robot <lkp@intel.com>, john.hubbard@gmail.com
Cc: kbuild-all@01.org, Matthew Wilcox <willy@infradead.org>,
	Michal Hocko <mhocko@kernel.org>,
	Christopher Lameter <cl@linux.com>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	Dan Williams <dan.j.williams@intel.com>, Jan Kara <jack@suse.cz>,
	linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
	linux-rdma <linux-rdma@vger.kernel.org>,
	linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v2 5/6] mm: track gup pages with page->dma_pinned_* fields
Date: Sun, 1 Jul 2018 22:05:49 -0700	[thread overview]
Message-ID: <4eb75815-9246-3185-d77f-7718e02bef7c@nvidia.com> (raw)
In-Reply-To: <201807021030.EyzuzHW4%fengguang.wu@intel.com>

On 07/01/2018 07:58 PM, kbuild test robot wrote:
> Hi John,
> 
> Thank you for the patch! Perhaps something to improve:
> 
> [auto build test WARNING on linus/master]
> [also build test WARNING on v4.18-rc3]
> [cannot apply to next-20180629]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> 
> url:    https://github.com/0day-ci/linux/commits/john-hubbard-gmail-com/mm-fs-gup-don-t-unmap-or-drop-filesystem-buffers/20180702-090125
> config: x86_64-randconfig-x010-201826 (attached as .config)
> compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> All warnings (new ones prefixed by >>):
> 
>    In file included from arch/x86/include/asm/atomic.h:5:0,
>                     from include/linux/atomic.h:5,
>                     from include/linux/page_counter.h:5,
>                     from mm/memcontrol.c:34:
>    mm/memcontrol.c: In function 'unlock_page_lru':
>    mm/memcontrol.c:2087:32: error: 'page_tail' undeclared (first use in this function); did you mean 'page_pool'?
>       VM_BUG_ON_PAGE(PageDmaPinned(page_tail), page);
>                                    ^
Yes, that should have been:

        VM_BUG_ON_PAGE(PageDmaPinned(page), page);

Fixed locally...maybe I'll post a v3 right now, as there were half a dozen ridiculous typos that
snuck in.



thanks,
-- 
John Hubbard
NVIDIA

WARNING: multiple messages have this Message-ID (diff)
From: John Hubbard <jhubbard@nvidia.com>
To: kbuild test robot <lkp@intel.com>, <john.hubbard@gmail.com>
Cc: <kbuild-all@01.org>, Matthew Wilcox <willy@infradead.org>,
	Michal Hocko <mhocko@kernel.org>,
	Christopher Lameter <cl@linux.com>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	Dan Williams <dan.j.williams@intel.com>, Jan Kara <jack@suse.cz>,
	<linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>,
	linux-rdma <linux-rdma@vger.kernel.org>,
	<linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH v2 5/6] mm: track gup pages with page->dma_pinned_* fields
Date: Sun, 1 Jul 2018 22:05:49 -0700	[thread overview]
Message-ID: <4eb75815-9246-3185-d77f-7718e02bef7c@nvidia.com> (raw)
In-Reply-To: <201807021030.EyzuzHW4%fengguang.wu@intel.com>

On 07/01/2018 07:58 PM, kbuild test robot wrote:
> Hi John,
> 
> Thank you for the patch! Perhaps something to improve:
> 
> [auto build test WARNING on linus/master]
> [also build test WARNING on v4.18-rc3]
> [cannot apply to next-20180629]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> 
> url:    https://github.com/0day-ci/linux/commits/john-hubbard-gmail-com/mm-fs-gup-don-t-unmap-or-drop-filesystem-buffers/20180702-090125
> config: x86_64-randconfig-x010-201826 (attached as .config)
> compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> All warnings (new ones prefixed by >>):
> 
>    In file included from arch/x86/include/asm/atomic.h:5:0,
>                     from include/linux/atomic.h:5,
>                     from include/linux/page_counter.h:5,
>                     from mm/memcontrol.c:34:
>    mm/memcontrol.c: In function 'unlock_page_lru':
>    mm/memcontrol.c:2087:32: error: 'page_tail' undeclared (first use in this function); did you mean 'page_pool'?
>       VM_BUG_ON_PAGE(PageDmaPinned(page_tail), page);
>                                    ^
Yes, that should have been:

        VM_BUG_ON_PAGE(PageDmaPinned(page), page);

Fixed locally...maybe I'll post a v3 right now, as there were half a dozen ridiculous typos that
snuck in.



thanks,
-- 
John Hubbard
NVIDIA

  reply	other threads:[~2018-07-02  5:05 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-02  0:56 [PATCH v2 0/6] mm/fs: gup: don't unmap or drop filesystem buffers john.hubbard
2018-07-02  0:56 ` [PATCH v2 1/6] mm: get_user_pages: consolidate error handling john.hubbard
2018-07-02 10:17   ` Jan Kara
2018-07-02 21:34     ` John Hubbard
2018-07-02 21:34       ` John Hubbard
2018-07-02  0:56 ` [PATCH v2 2/6] mm: introduce page->dma_pinned_flags, _count john.hubbard
2018-07-02  0:56 ` [PATCH v2 3/6] mm: introduce zone_gup_lock, for dma-pinned pages john.hubbard
2018-07-02  0:56 ` [PATCH v2 4/6] mm/fs: add a sync_mode param for clear_page_dirty_for_io() john.hubbard
2018-07-02  2:11   ` kbuild test robot
2018-07-02  4:40     ` John Hubbard
2018-07-02  4:40       ` John Hubbard
2018-07-02  2:47   ` kbuild test robot
2018-07-02  4:40     ` John Hubbard
2018-07-02  4:40       ` John Hubbard
2018-07-02  0:56 ` [PATCH v2 5/6] mm: track gup pages with page->dma_pinned_* fields john.hubbard
2018-07-02  2:11   ` kbuild test robot
2018-07-02  2:58   ` kbuild test robot
2018-07-02  5:05     ` John Hubbard [this message]
2018-07-02  5:05       ` John Hubbard
2018-07-02  9:53   ` Jan Kara
2018-07-02 20:43     ` John Hubbard
2018-07-02 20:43       ` John Hubbard
2018-07-03  0:08       ` Christopher Lameter
2018-07-03  4:30         ` John Hubbard
2018-07-03  4:30           ` John Hubbard
2018-07-03 17:08           ` Christopher Lameter
2018-07-03 17:36             ` John Hubbard
2018-07-03 17:36               ` John Hubbard
2018-07-03 17:48               ` Christopher Lameter
2018-07-03 18:48                 ` John Hubbard
2018-07-03 18:48                   ` John Hubbard
2018-07-04 10:43               ` Jan Kara
2018-07-05 14:17                 ` Christopher Lameter
2018-07-09 13:49                   ` Jan Kara
2018-07-02  0:56 ` [PATCH v2 6/6] mm: page_mkclean, ttu: handle pinned pages john.hubbard
2018-07-02 10:15   ` Jan Kara
2018-07-02 21:07     ` John Hubbard
2018-07-02 21:07       ` John Hubbard
2018-07-02  5:54 ` [PATCH v2 0/6] mm/fs: gup: don't unmap or drop filesystem buffers John Hubbard
2018-07-02  5:54   ` John Hubbard

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