1 files changed, 5 insertions, 4 deletions
diff --git a/src/Cache.cpp b/src/Cache.cpp
index 9782ee99..a4af4d25 100644
--- a/src/Cache.cpp
+++ b/src/Cache.cpp
@@ -46,17 +46,18 @@ static const std::string_view OLM_ACCOUNT_KEY("olm_account");
static const std::string_view CACHE_FORMAT_VERSION_KEY("cache_format_version");
static const std::string_view CURRENT_ONLINE_BACKUP_VERSION("current_online_backup_version");
-constexpr auto MAX_DBS = 32384UL;
-#if Q_PROCESSOR_WORDSIZE == 8 // 64-bit
+constexpr auto MAX_DBS = 32384UL;
+constexpr auto BATCH_SIZE = 100;
+
+#if Q_PROCESSOR_WORDSIZE >= 5 // 40-bit or more, up to 2^(8*WORDSIZE) words addressable.
constexpr auto DB_SIZE = 32ULL * 1024ULL * 1024ULL * 1024ULL; // 32 GB
constexpr size_t MAX_RESTORED_MESSAGES = 30'000;
#elif Q_PROCESSOR_WORDSIZE == 4 // 32-bit address space limits mmaps
constexpr auto DB_SIZE = 1ULL * 1024ULL * 1024ULL * 1024ULL; // 1 GB
constexpr size_t MAX_RESTORED_MESSAGES = 5'000;
#else
-#error unknown word size on target CPU
+#error Not enough virtual address space for the database on target CPU
#endif
-constexpr auto BATCH_SIZE = 100;
//! Cache databases and their format.
//!
|
