gfpflags_allow_blocking
might_sleep_if(gfpflags_allow_blocking(gfp));
if (!gfpflags_allow_blocking(gfp))
might_sleep_if(gfpflags_allow_blocking(gfp));
if (!gfpflags_allow_blocking(gfp))
might_sleep_if(gfpflags_allow_blocking(gfp));