On (24/05/04 14:54), kernel test robot wrote: > | ~~~~~~~~~~~~~~~~~~~~~~ > >> drivers/block/zram/zcomp.c:214:2: error: call to '__compiletime_assert_285' declared with 'error' attribute: BUILD_BUG_ON failed: ARRAY_SIZE(backends) <= 1 > 214 | BUILD_BUG_ON(ARRAY_SIZE(backends) <= 1); > | ^ So this is what that BUILD_BUG_ON() is supposed to catch. You don't have any backends selected in your .config: # CONFIG_ZRAM_BACKEND_LZO is not set # CONFIG_ZRAM_BACKEND_LZ4 is not set # CONFIG_ZRAM_BACKEND_LZ4HC is not set # CONFIG_ZRAM_BACKEND_ZSTD is not set # CONFIG_ZRAM_BACKEND_DEFLATE is not set CONFIG_ZRAM_DEF_COMP="unset-value" Which is invalid configuration because it means that zram has no compression enabled.
