initial version on Mac OS X

.gitignore

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+/target

Cargo.toml

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+[package]
+name = "hugepagedemo"
+version = "0.1.0"
+edition = "2021"
+
+[profile.release-nativecpu]
+inherits = "release"
+debug = true
+# still unstable: https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#profile-rustflags-option
+# this is defined for make run_native
+# TODO: Uncomment once stable
+#rustflags = ["-C", "target-cpu=native"]
+
+[dependencies]
+humanunits = {git="https://github.com/evanj/humanunits"}
+memory-stats = "1"
+nix = {version="0", features=["mman"]}
+rand = "0"
+rand_xoshiro = "0"

Makefile

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+all:
+	cargo fmt
+	cargo test
+	cargo check
+	# https://zhauniarovich.com/post/2021/2021-09-pedantic-clippy/#paranoid-clippy
+	# -D clippy::restriction is way too "safe"/careful
+	# -D clippy::pedantic is also probably too safe
+	cargo clippy --all-targets --all-features -- \
+		-D warnings \
+		-D clippy::nursery \
+		-D clippy::pedantic \
+		-A clippy::cast_precision_loss \
+		-A clippy::cast-sign-loss \
+		-A clippy::cast-possible-truncation
+
+run_native:
+	RUSTFLAGS="-C target-cpu=native" cargo run --profile=release-nativecpu