DEFAULT_KEEP_FREE_UPPER   33 src/journal/coredump-vacuum.c #define DEFAULT_KEEP_FREE_UPPER (off_t) (4ULL*1024ULL*1024ULL*1024ULL) /* 4 GiB */
DEFAULT_KEEP_FREE_UPPER   56 src/journal/journal-file.c #define DEFAULT_KEEP_FREE_UPPER (4ULL*1024ULL*1024ULL*1024ULL) /* 4 GiB */