* [bcain:bcain/hmx 26/56] drivers/video/fbdev/smscufx.c:802:52: error: use of undeclared identifier 'PAGE_SHARED'
@ 2026-04-30 2:24 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-04-30 2:24 UTC (permalink / raw)
To: Richard Kuo; +Cc: llvm, oe-kbuild-all, Brian Cain
tree: https://git.kernel.org/pub/scm/linux/kernel/git/bcain/linux.git bcain/hmx
head: 702d39aaafd354863915b40f8167c4d998175f9c
commit: 5168e5ebe50537ef5ae89f3e1af1de1913f9c59d [26/56] hexagon: add memory management enhancements
config: hexagon-randconfig-002-20260430 (https://download.01.org/0day-ci/archive/20260430/202604301034.gW2J7Art-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260430/202604301034.gW2J7Art-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604301034.gW2J7Art-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/video/fbdev/smscufx.c:802:52: error: use of undeclared identifier 'PAGE_SHARED'
802 | if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED))
| ^~~~~~~~~~~
>> drivers/video/fbdev/smscufx.c:802:52: error: use of undeclared identifier 'PAGE_SHARED'
802 | if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED))
| ^~~~~~~~~~~
>> drivers/video/fbdev/smscufx.c:802:52: error: use of undeclared identifier 'PAGE_SHARED'
802 | if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED))
| ^~~~~~~~~~~
3 errors generated.
vim +/PAGE_SHARED +802 drivers/video/fbdev/smscufx.c
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 775
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 776 static int ufx_ops_mmap(struct fb_info *info, struct vm_area_struct *vma)
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 777 {
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 778 unsigned long start = vma->vm_start;
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 779 unsigned long size = vma->vm_end - vma->vm_start;
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 780 unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 781 unsigned long page, pos;
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 782
5905585103276b7 drivers/video/fbdev/smscufx.c Thomas Zimmermann 2022-04-29 783 if (info->fbdefio)
5905585103276b7 drivers/video/fbdev/smscufx.c Thomas Zimmermann 2022-04-29 784 return fb_deferred_io_mmap(info, vma);
5905585103276b7 drivers/video/fbdev/smscufx.c Thomas Zimmermann 2022-04-29 785
76f92201b821dd2 drivers/video/fbdev/smscufx.c Thomas Zimmermann 2023-11-27 786 vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
76f92201b821dd2 drivers/video/fbdev/smscufx.c Thomas Zimmermann 2023-11-27 787
04f8afbec37f63f drivers/video/smscufx.c Tomi Valkeinen 2013-04-18 788 if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
04f8afbec37f63f drivers/video/smscufx.c Tomi Valkeinen 2013-04-18 789 return -EINVAL;
04f8afbec37f63f drivers/video/smscufx.c Tomi Valkeinen 2013-04-18 790 if (size > info->fix.smem_len)
04f8afbec37f63f drivers/video/smscufx.c Tomi Valkeinen 2013-04-18 791 return -EINVAL;
04f8afbec37f63f drivers/video/smscufx.c Tomi Valkeinen 2013-04-18 792 if (offset > info->fix.smem_len - size)
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 793 return -EINVAL;
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 794
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 795 pos = (unsigned long)info->fix.smem_start + offset;
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 796
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 797 pr_debug("mmap() framebuffer addr:%lu size:%lu\n",
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 798 pos, size);
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 799
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 800 while (size > 0) {
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 801 page = vmalloc_to_pfn((void *)pos);
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 @802 if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED))
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 803 return -EAGAIN;
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 804
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 805 start += PAGE_SIZE;
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 806 pos += PAGE_SIZE;
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 807 if (size > PAGE_SIZE)
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 808 size -= PAGE_SIZE;
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 809 else
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 810 size = 0;
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 811 }
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 812
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 813 return 0;
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 814 }
3c8a63e22a0802f drivers/video/smscufx.c Steve Glendinning 2011-08-18 815
:::::: The code at line 802 was first introduced by commit
:::::: 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 Add support for SMSC UFX6000/7000 USB display adapters
:::::: TO: Steve Glendinning <steve.glendinning@smsc.com>
:::::: CC: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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