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perf: stop mimalloc asking for transparent huge pages #1391

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Merged
kvlonge merged 1 commit into from
Nov 9, 2026
Merged

perf: stop mimalloc asking for transparent huge pages #1391

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4 changes: 3 additions & 1 deletion Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,9 @@ globset = "0.4"
junction = { version = "2.1.0", default-features = false }
keyring = { version = "3.6.3", default-features = false }
# Python loads the extension with dlopen, so mimalloc must not use initial-exec TLS.
mimalloc = { version = "0.1", default-features = false, features = ["local_dynamic_tls"] }
# no_thp: mimalloc otherwise asks for transparent huge pages on its 1 GiB arenas, and each
# partly used 2 MiB page then stays resident in full, which raises peak memory.
mimalloc = { version = "0.1", default-features = false, features = ["local_dynamic_tls", "no_thp"] }
proc-macro2 = { version = "1", features = ["span-locations"] }
pyo3 = { version = "0.26", features = ["abi3-py312"] }
rpassword = "7.5.4"
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