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build/make: set the page size #503

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Merged
jrvanwhy merged 1 commit into from
Aug 23, 2023
Merged

build/make: set the page size #503

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5 changes: 5 additions & 0 deletions build_scripts/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -175,6 +175,11 @@ pub fn auto_layout() {
// Tell rustc which linker script to use and where to find it.
println!("cargo:rustc-link-arg=-T{}", layout_path.display());
println!("cargo:rustc-link-search={}", out_dir);

// Configure the alignment size for the linker. This prevents the linker
// from assuming very large pages (i.e. 65536 bytes) and unnecessarily
// inserting additional padding into the output ELF.
println!("cargo:rustc-link-arg=-zmax-page-size=4096");
}

// Retrieves an environment variable as a String. Returns None if the variable
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