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From: Sergio Durigan Junior <sergiodj@debian.org>
Date: Sat, 10 May 2025 19:48:44 -0300
Subject: make lmdb allocation smaller in mipsel
We were seeing build failures on mipsel in bookworm-backports after the tests
were activated. After a debugging session, we pin-pointed the failures to the
lmdb DB allocation failing. Decreasing the memory allocation solved the
problem. Since we are talking about a 32-bit exotic architecture for today
standards, it seems fine to decrease the DB size in general and not only for
the tests.
Forwarded: not-needed
Last-Update: 2025-05-10
---
store/lmdb.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/store/lmdb.c b/store/lmdb.c
index fccff8b..8726221 100644
--- a/store/lmdb.c
+++ b/store/lmdb.c
@@ -41,8 +41,14 @@
/** The maximum size of the database file (2GiB).
* The file is mmap(2)'d into memory. */
#if (UINTPTR_MAX == 0xffffffff)
+#ifdef __MIPSEL__
+/// mipsel buildd is failing to alloc this size for tests, so let's make it smaller
+/// Maximum LMDB database size: 32-bit, limit to 256MiB
+static const size_t LMDB_DB_SIZE = 2147483648 / 8;
+#else
/// Maximum LMDB database size: 32-bit, limit to 2GiB
static const size_t LMDB_DB_SIZE = 2147483648;
+#endif
#elif (UINTPTR_MAX == 0xffffffffffffffff)
/// Maximum LMDB database size: 64 bit, limit to 100GiB
static const size_t LMDB_DB_SIZE = 107374182400;
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