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Subjectblock/blk-merge.c:166:19: note: in expansion of macro 'page_to_phys'
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d5226fa6dbae0569ee43ecfc08bdcd6770fc4755
commit: 429120f3df2dba2bf3a4a19f4212a53ecefc7102 block: fix splitting segments on boundary masks
date: 4 weeks ago
config: riscv-randconfig-a001-20200127 (attached as .config)
compiler: riscv64-linux-gcc (GCC) 7.5.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 429120f3df2dba2bf3a4a19f4212a53ecefc7102
# save the attached .config to linux build tree
GCC_VERSION=7.5.0 make.cross ARCH=riscv

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

from include/asm-generic/preempt.h:5,
from ./arch/riscv/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:78,
from include/linux/spinlock.h:51,
from include/linux/seqlock.h:36,
from include/linux/time.h:6,
from include/linux/stat.h:19,
from include/linux/module.h:13,
from block/blk-merge.c:6:
include/linux/scatterlist.h: In function 'sg_phys':
include/asm-generic/memory_model.h:55:54: error: 'vmemmap' undeclared (first use in this function); did you mean 'vm_mmap'?
#define __page_to_pfn(page) (unsigned long)((page) - vmemmap)
^
include/linux/pfn.h:21:36: note: in definition of macro 'PFN_PHYS'
#define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT)
^
arch/riscv/include/asm/page.h:115:29: note: in expansion of macro 'pfn_to_phys'
#define page_to_phys(page) (pfn_to_phys(page_to_pfn(page)))
^~~~~~~~~~~
include/asm-generic/memory_model.h:81:21: note: in expansion of macro '__page_to_pfn'
#define page_to_pfn __page_to_pfn
^~~~~~~~~~~~~
arch/riscv/include/asm/page.h:115:41: note: in expansion of macro 'page_to_pfn'
#define page_to_phys(page) (pfn_to_phys(page_to_pfn(page)))
^~~~~~~~~~~
include/linux/scatterlist.h:224:9: note: in expansion of macro 'page_to_phys'
return page_to_phys(sg_page(sg)) + sg->offset;
^~~~~~~~~~~~
In file included from arch/riscv/include/asm/page.h:131:0,
from arch/riscv/include/asm/thread_info.h:11,
from include/linux/thread_info.h:38,
from include/asm-generic/preempt.h:5,
from ./arch/riscv/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:78,
from include/linux/spinlock.h:51,
from include/linux/seqlock.h:36,
from include/linux/time.h:6,
from include/linux/stat.h:19,
from include/linux/module.h:13,
from block/blk-merge.c:6:
include/linux/scatterlist.h: In function 'sg_page_iter_page':
include/asm-generic/memory_model.h:54:29: error: 'vmemmap' undeclared (first use in this function); did you mean 'vm_mmap'?
#define __pfn_to_page(pfn) (vmemmap + (pfn))
^
include/asm-generic/memory_model.h:82:21: note: in expansion of macro '__pfn_to_page'
#define pfn_to_page __pfn_to_page
^~~~~~~~~~~~~
include/linux/mm.h:213:26: note: in expansion of macro 'pfn_to_page'
#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))
^~~~~~~~~~~
include/linux/scatterlist.h:384:9: note: in expansion of macro 'nth_page'
return nth_page(sg_page(piter->sg), piter->sg_pgoffset);
^~~~~~~~
In file included from arch/riscv/include/asm/page.h:12:0,
from arch/riscv/include/asm/thread_info.h:11,
from include/linux/thread_info.h:38,
from include/asm-generic/preempt.h:5,
from ./arch/riscv/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:78,
from include/linux/spinlock.h:51,
from include/linux/seqlock.h:36,
from include/linux/time.h:6,
from include/linux/stat.h:19,
from include/linux/module.h:13,
from block/blk-merge.c:6:
block/blk.h: In function 'biovec_phys_mergeable':
include/asm-generic/memory_model.h:55:54: error: 'vmemmap' undeclared (first use in this function); did you mean 'vm_mmap'?
#define __page_to_pfn(page) (unsigned long)((page) - vmemmap)
^
include/linux/pfn.h:21:36: note: in definition of macro 'PFN_PHYS'
#define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT)
^
arch/riscv/include/asm/page.h:115:29: note: in expansion of macro 'pfn_to_phys'
#define page_to_phys(page) (pfn_to_phys(page_to_pfn(page)))
^~~~~~~~~~~
include/asm-generic/memory_model.h:81:21: note: in expansion of macro '__page_to_pfn'
#define page_to_pfn __page_to_pfn
^~~~~~~~~~~~~
arch/riscv/include/asm/page.h:115:41: note: in expansion of macro 'page_to_pfn'
#define page_to_phys(page) (pfn_to_phys(page_to_pfn(page)))
^~~~~~~~~~~
block/blk.h:79:22: note: in expansion of macro 'page_to_phys'
phys_addr_t addr1 = page_to_phys(vec1->bv_page) + vec1->bv_offset;
^~~~~~~~~~~~
block/blk-merge.c: In function 'get_max_segment_size':
include/asm-generic/memory_model.h:55:54: error: 'vmemmap' undeclared (first use in this function); did you mean 'vm_mmap'?
#define __page_to_pfn(page) (unsigned long)((page) - vmemmap)
^
include/linux/pfn.h:21:36: note: in definition of macro 'PFN_PHYS'
#define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT)
^
arch/riscv/include/asm/page.h:115:29: note: in expansion of macro 'pfn_to_phys'
#define page_to_phys(page) (pfn_to_phys(page_to_pfn(page)))
^~~~~~~~~~~
include/asm-generic/memory_model.h:81:21: note: in expansion of macro '__page_to_pfn'
#define page_to_pfn __page_to_pfn
^~~~~~~~~~~~~
arch/riscv/include/asm/page.h:115:41: note: in expansion of macro 'page_to_pfn'
#define page_to_phys(page) (pfn_to_phys(page_to_pfn(page)))
^~~~~~~~~~~
>> block/blk-merge.c:166:19: note: in expansion of macro 'page_to_phys'
offset = mask & (page_to_phys(start_page) + offset);
^~~~~~~~~~~~
In file included from arch/riscv/include/asm/page.h:131:0,
from arch/riscv/include/asm/thread_info.h:11,
from include/linux/thread_info.h:38,
from include/asm-generic/preempt.h:5,
from ./arch/riscv/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:78,
from include/linux/spinlock.h:51,
from include/linux/seqlock.h:36,
from include/linux/time.h:6,
from include/linux/stat.h:19,
from include/linux/module.h:13,
from block/blk-merge.c:6:
block/blk-merge.c: In function 'blk_rq_map_sg':
include/asm-generic/memory_model.h:54:29: error: 'vmemmap' undeclared (first use in this function); did you mean 'vm_mmap'?
#define __pfn_to_page(pfn) (vmemmap + (pfn))
^
include/asm-generic/memory_model.h:82:21: note: in expansion of macro '__pfn_to_page'
#define pfn_to_page __pfn_to_page
^~~~~~~~~~~~~
arch/riscv/include/asm/page.h:112:30: note: in expansion of macro 'pfn_to_page'
#define virt_to_page(vaddr) (pfn_to_page(virt_to_pfn(vaddr)))
^~~~~~~~~~~
block/blk-merge.c:545:19: note: in expansion of macro 'virt_to_page'
sg_set_page(sg, virt_to_page(q->dma_drain_buffer),
^~~~~~~~~~~~

vim +/page_to_phys +166 block/blk-merge.c

159
160 static inline unsigned get_max_segment_size(const struct request_queue *q,
161 struct page *start_page,
162 unsigned long offset)
163 {
164 unsigned long mask = queue_segment_boundary(q);
165
> 166 offset = mask & (page_to_phys(start_page) + offset);
167 return min_t(unsigned long, mask - offset + 1,
168 queue_max_segment_size(q));
169 }
170

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation
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