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-rw-r--r--src/common/compress_zstd.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/common/compress_zstd.c b/src/common/compress_zstd.c
index 4a8f03e30a..40b541247b 100644
--- a/src/common/compress_zstd.c
+++ b/src/common/compress_zstd.c
@@ -145,7 +145,8 @@ tor_zstd_state_size_precalc(int compress, int preset)
// variables that are not exposed via the public API. We use a _very_
// simplified function to calculate the estimated amount of bytes used in
// this struct.
- memory_usage += (preset - 0.5) * 1024 * 1024;
+ // memory_usage += (preset - 0.5) * 1024 * 1024;
+ memory_usage += (preset * 1024 * 1024) - (512 * 1024);
// - ZSTD_sizeof_CDict(stream->cdictLocal): Unused in Tor: 0 bytes.
// - stream->outBuffSize: 128 KB:
memory_usage += 128 * 1024;