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Message-ID: <201603062121.s1ZUEjOS%fengguang.wu@intel.com>
Date: Sun, 6 Mar 2016 21:05:23 +0800
From: kbuild test robot <fengguang.wu@...el.com>
To: Dan Williams <dan.j.williams@...el.com>
Cc: kbuild-all@...org, linux-kernel@...r.kernel.org,
Guenter Roeck <linux@...ck-us.net>,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>
Subject: drivers/nvdimm/pmem.c:367:3: error: implicit declaration of function
'__phys_to_pfn'
Hi Dan,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 67944024c1cdd897e49a09b0d6af3ea38d1388ca
commit: d2c0f041e1bb1260629ecea2161adb9778945aa3 libnvdimm, pfn, pmem: allocate memmap array in persistent memory
date: 7 weeks ago
config: ia64-allyesconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout d2c0f041e1bb1260629ecea2161adb9778945aa3
# save the attached .config to linux build tree
make.cross ARCH=ia64
All errors (new ones prefixed by >>):
drivers/nvdimm/pmem.c: In function 'nvdimm_namespace_attach_pfn':
>> drivers/nvdimm/pmem.c:367:3: error: implicit declaration of function '__phys_to_pfn' [-Werror=implicit-function-declaration]
.base_pfn = __phys_to_pfn(nsio->res.start),
^
cc1: some warnings being treated as errors
vim +/__phys_to_pfn +367 drivers/nvdimm/pmem.c
361 struct vmem_altmap *altmap;
362 struct nd_pfn_sb *pfn_sb;
363 struct pmem_device *pmem;
364 phys_addr_t offset;
365 int rc;
366 struct vmem_altmap __altmap = {
> 367 .base_pfn = __phys_to_pfn(nsio->res.start),
368 .reserve = __phys_to_pfn(SZ_8K),
369 };
370
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