drivers/gpu/drm/i915/gt/intel_gtt.c:161:18: error: 'pages' undeclared; did you mean

drivers/gpu/drm/i915/gt/intel_gtt.c:161:18: error: 'pages' undeclared; did you mean

[kernel test robot]

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tree:   https://github.com/0day-ci/linux/commits/UPDATE-20210210-181758/Chris-Wilson/drm-i915-Check-for-scratch-page-scribbling/20210210-180810
head:   1f7d2908ed9121500324cfa7c81236dbf5f0d20d
commit: 1f7d2908ed9121500324cfa7c81236dbf5f0d20d drm/i915: Check for scratch page scribbling
date:   6 hours ago
config: x86_64-randconfig-s021-20210209 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-215-g0fb77bb6-dirty
        # https://github.com/0day-ci/linux/commit/1f7d2908ed9121500324cfa7c81236dbf5f0d20d
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review UPDATE-20210210-181758/Chris-Wilson/drm-i915-Check-for-scratch-page-scribbling/20210210-180810
        git checkout 1f7d2908ed9121500324cfa7c81236dbf5f0d20d
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 

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

All errors (new ones prefixed by >>):

   drivers/gpu/drm/i915/gt/intel_gtt.c: In function 'poison_scratch_page':
>> drivers/gpu/drm/i915/gt/intel_gtt.c:161:18: error: 'pages' undeclared (first use in this function); did you mean 'page'?
     161 |   set_page_dirty(pages); /* keep the poisoned contents */
         |                  ^~~~~
         |                  page
   drivers/gpu/drm/i915/gt/intel_gtt.c:161:18: note: each undeclared identifier is reported only once for each function it appears in


vim +161 drivers/gpu/drm/i915/gt/intel_gtt.c

   145	
   146	static void poison_scratch_page(struct drm_i915_gem_object *scratch)
   147	{
   148		struct sgt_iter sgt;
   149		struct page *page;
   150		u8 val;
   151	
   152		val = 0;
   153		if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))
   154			val = POISON_FREE;
   155	
   156		for_each_sgt_page(page, sgt, scratch->mm.pages) {
   157			void *vaddr;
   158	
   159			vaddr = kmap(page);
   160			memset(vaddr, val, PAGE_SIZE);
 > 161			set_page_dirty(pages); /* keep the poisoned contents */
   162			kunmap(page);
   163		}
   164	}
   165	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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