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-rw-r--r--vespalib/src/vespa/vespalib/io/mapped_file_input.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/vespalib/src/vespa/vespalib/io/mapped_file_input.cpp b/vespalib/src/vespa/vespalib/io/mapped_file_input.cpp
index 7f1f0d003b7..95e4a1b496f 100644
--- a/vespalib/src/vespa/vespalib/io/mapped_file_input.cpp
+++ b/vespalib/src/vespa/vespalib/io/mapped_file_input.cpp
@@ -20,7 +20,9 @@ MappedFileInput::MappedFileInput(const vespalib::string &file_name)
if (_data != MAP_FAILED) {
_size = info.st_size;
madvise(_data, _size, MADV_SEQUENTIAL);
+#ifdef __linux__
madvise(_data, _size, MADV_DONTDUMP);
+#endif
}
}
}