Deinline as compiler makes the best choices.

2 files changed, 3 insertions, 1 deletions

diff --git a/memfilepersistence/src/vespa/memfilepersistence/mapper/simplememfileiobuffer.cpp b/memfilepersistence/src/vespa/memfilepersistence/mapper/simplememfileiobuffer.cpp
index 305a71397b1..1f5344d466e 100644
--- a/memfilepersistence/src/vespa/memfilepersistence/mapper/simplememfileiobuffer.cpp
+++ b/memfilepersistence/src/vespa/memfilepersistence/mapper/simplememfileiobuffer.cpp
@@ -20,6 +20,8 @@ uint32_t calculateChecksum(const void* pos, uint32_t size) {
 
 }
 
+constexpr size_t SimpleMemFileIOBuffer::WORKING_BUFFER_SIZE;
+
 SimpleMemFileIOBuffer::SimpleMemFileIOBuffer(
         VersionSerializer& reader,
         vespalib::LazyFile::UP file,
diff --git a/memfilepersistence/src/vespa/memfilepersistence/mapper/simplememfileiobuffer.h b/memfilepersistence/src/vespa/memfilepersistence/mapper/simplememfileiobuffer.h
index 18e99646ce9..5210d30874f 100644
--- a/memfilepersistence/src/vespa/memfilepersistence/mapper/simplememfileiobuffer.h
+++ b/memfilepersistence/src/vespa/memfilepersistence/mapper/simplememfileiobuffer.h
@@ -63,7 +63,7 @@ public:
      * allocated buffer. For all other cases, we'll attempt to squeeze as many
      * documents as possible into the same (shared) buffer.
      */
-    static const size_t WORKING_BUFFER_SIZE = 16*1024; // TODO(vekterli): make configurable
+    static constexpr size_t WORKING_BUFFER_SIZE = 16*1024; // TODO(vekterli): make configurable
 
     class SharedBuffer
     {