ptr_pack_bits    2408 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c 		fences[n] = ptr_pack_bits(syncobj, fence.flags, 2);
ptr_pack_bits     176 drivers/gpu/drm/i915/i915_utils.h #define page_pack_bits(ptr, bits) ptr_pack_bits(ptr, bits, PAGE_SHIFT)