CLFLUSH_FLAGS    1001 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c 		BUILD_BUG_ON(KMAP & CLFLUSH_FLAGS);
CLFLUSH_FLAGS    1002 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c 		BUILD_BUG_ON((KMAP | CLFLUSH_FLAGS) & PAGE_MASK);