CRASH_BUFFER_SIZE
#if (((CRASH_BUFFER_SIZE) % SZ_1M) == 0)
BUILD_BUG_ON(!CRASH_BUFFER_SIZE);
BUILD_BUG_ON(!IS_ALIGNED(CRASH_BUFFER_SIZE, UNIT));
BUILD_BUG_ON((CRASH_BUFFER_SIZE / UNIT - 1) >
((CRASH_BUFFER_SIZE / UNIT - 1) << GUC_LOG_CRASH_SHIFT) |
return CRASH_BUFFER_SIZE;
guc_log_size = PAGE_SIZE + CRASH_BUFFER_SIZE + DPC_BUFFER_SIZE +