tree: https://android.googlesource.com/kernel/common android-3.18 head: 092c072095517a63745da6ca04bcbbc0f71bf823 commit: 7b617c7a3be57fc05ea24ef4f146ff0980956454 [4/5] gfs2: Fix lru_count going negative config: x86_64-rhel (attached as .config) compiler: gcc-5 (Ubuntu 5.5.0-12ubuntu1) 5.5.0 20171010 reproduce: git checkout 7b617c7a3be57fc05ea24ef4f146ff0980956454 # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): fs/gfs2/glock.c: In function 'gfs2_glock_add_to_lru': if (!(gl->gl_ops->go_flags & GLOF_LRU)) ^ fs/gfs2/glock.c:164:31: note: each undeclared identifier is reported only once for each function it appears in vim +/GLOF_LRU +164 fs/gfs2/glock.c 160 161 162 void gfs2_glock_add_to_lru(struct gfs2_glock *gl) 163 { 165 return; 166 167 spin_lock(&lru_lock); 168 169 list_del(&gl->gl_lru); 170 list_add_tail(&gl->gl_lru, &lru_list); 171 172 if (!test_bit(GLF_LRU, &gl->gl_flags)) { 173 set_bit(GLF_LRU, &gl->gl_flags); 174 atomic_inc(&lru_count); 175 } 176 177 spin_unlock(&lru_lock); 178 } 179 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation