From: kbuild test robot <lkp@intel.com>
To: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: kbuild-all@01.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, akpm@linux-foundation.org,
catalin.marinas@arm.com, will@kernel.org, mark.rutland@arm.com,
mhocko@suse.com, david@redhat.com, cai@lca.pw,
logang@deltatee.com, cpandya@codeaurora.org,
arunks@codeaurora.org, dan.j.williams@intel.com,
mgorman@techsingularity.net, osalvador@suse.de,
ard.biesheuvel@arm.com, steve.capper@arm.com, broonie@kernel.org,
valentin.schneider@arm.com, Robin.Murphy@arm.com,
steven.price@arm.com, suzuki.poulose@arm.com,
ira.weiny@intel.com
Subject: Re: [PATCH V8 2/2] arm64/mm: Enable memory hot remove
Date: Tue, 24 Sep 2019 01:39:46 +0800 [thread overview]
Message-ID: <201909240135.Y7nq2bo7%lkp@intel.com> (raw)
In-Reply-To: <1569217425-23777-3-git-send-email-anshuman.khandual@arm.com>
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Hi Anshuman,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[cannot apply to v5.3 next-20190920]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Anshuman-Khandual/arm64-mm-Hold-memory-hotplug-lock-while-walking-for-kernel-page-table-dump/20190923-134733
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=arm64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> mm/memremap.c:16:0: warning: "SECTION_MASK" redefined
#define SECTION_MASK ~((1UL << PA_SECTION_SHIFT) - 1)
In file included from arch/arm64/include/asm/processor.h:34:0,
from include/linux/mutex.h:19,
from include/linux/kernfs.h:12,
from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/device.h:16,
from mm/memremap.c:3:
arch/arm64/include/asm/pgtable-hwdef.h:79:0: note: this is the location of the previous definition
#define SECTION_MASK (~(SECTION_SIZE-1))
>> mm/memremap.c:17:0: warning: "SECTION_SIZE" redefined
#define SECTION_SIZE (1UL << PA_SECTION_SHIFT)
In file included from arch/arm64/include/asm/processor.h:34:0,
from include/linux/mutex.h:19,
from include/linux/kernfs.h:12,
from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/device.h:16,
from mm/memremap.c:3:
arch/arm64/include/asm/pgtable-hwdef.h:78:0: note: this is the location of the previous definition
#define SECTION_SIZE (_AC(1, UL) << SECTION_SHIFT)
vim +/SECTION_MASK +16 mm/memremap.c
7d3dcf26a6559f kernel/memremap.c Christoph Hellwig 2015-08-10 @3 #include <linux/device.h>
92281dee825f6d kernel/memremap.c Dan Williams 2015-08-10 4 #include <linux/io.h>
0207df4fa1a869 kernel/memremap.c Andrey Ryabinin 2018-08-17 5 #include <linux/kasan.h>
41e94a851304f7 kernel/memremap.c Christoph Hellwig 2015-08-17 6 #include <linux/memory_hotplug.h>
bcfa4b72111c9a kernel/memremap.c Matthew Wilcox 2018-08-15 7 #include <linux/mm.h>
bcfa4b72111c9a kernel/memremap.c Matthew Wilcox 2018-08-15 8 #include <linux/pfn_t.h>
5042db43cc26f5 kernel/memremap.c Jérôme Glisse 2017-09-08 9 #include <linux/swap.h>
5042db43cc26f5 kernel/memremap.c Jérôme Glisse 2017-09-08 10 #include <linux/swapops.h>
bcfa4b72111c9a kernel/memremap.c Matthew Wilcox 2018-08-15 11 #include <linux/types.h>
e7638488434415 kernel/memremap.c Dan Williams 2018-05-16 12 #include <linux/wait_bit.h>
bcfa4b72111c9a kernel/memremap.c Matthew Wilcox 2018-08-15 13 #include <linux/xarray.h>
92281dee825f6d kernel/memremap.c Dan Williams 2015-08-10 14
bcfa4b72111c9a kernel/memremap.c Matthew Wilcox 2018-08-15 15 static DEFINE_XARRAY(pgmap_array);
9476df7d80dfc4 kernel/memremap.c Dan Williams 2016-01-15 @16 #define SECTION_MASK ~((1UL << PA_SECTION_SHIFT) - 1)
9476df7d80dfc4 kernel/memremap.c Dan Williams 2016-01-15 @17 #define SECTION_SIZE (1UL << PA_SECTION_SHIFT)
9476df7d80dfc4 kernel/memremap.c Dan Williams 2016-01-15 18
:::::: The code at line 16 was first introduced by commit
:::::: 9476df7d80dfc425b37bfecf1d89edf8ec81fcb6 mm: introduce find_dev_pagemap()
:::::: TO: Dan Williams <dan.j.williams@intel.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next prev parent reply other threads:[~2019-09-23 17:40 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-23 5:43 [PATCH V8 0/2] arm64/mm: Enable memory hot remove Anshuman Khandual
2019-09-23 5:43 ` [PATCH V8 1/2] arm64/mm: Hold memory hotplug lock while walking for kernel page table dump Anshuman Khandual
2019-09-23 5:43 ` [PATCH V8 2/2] arm64/mm: Enable memory hot remove Anshuman Khandual
2019-09-23 11:17 ` Matthew Wilcox
2019-09-24 8:41 ` Anshuman Khandual
2019-09-23 17:39 ` kbuild test robot [this message]
2019-10-07 14:17 ` Catalin Marinas
2019-10-08 4:36 ` Anshuman Khandual
2019-10-08 10:55 ` Catalin Marinas
2019-10-08 11:48 ` Anshuman Khandual
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