On (22/08/08 12:50), Brian Geffon wrote: [..] > > pr_info("setup backing device %s\n", file_name); > @@ -722,7 +707,8 @@ static ssize_t writeback_store(struct device *dev, > > if (zram_test_flag(zram, index, ZRAM_WB) || > zram_test_flag(zram, index, ZRAM_SAME) || > - zram_test_flag(zram, index, ZRAM_UNDER_WB)) > + zram_test_flag(zram, index, ZRAM_UNDER_WB) || > + zram_test_flag(zram, index, ZRAM_NO_WB)) > goto next; mark_idle() probably should also test ZRAM_NO_WB bit.