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Kernel: static vs non-static constexpr variables
Problem: - `static` variables consume memory and sometimes are less optimizable. - `static const` variables can be `constexpr`, usually. - `static` function-local variables require an initialization check every time the function is run. Solution: - If a global `static` variable is only used in a single function then move it into the function and make it non-`static` and `constexpr`. - Make all global `static` variables `constexpr` instead of `const`. - Change function-local `static const[expr]` variables to be just `constexpr`.
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5751327195
Notes:
sideshowbarker
2024-07-18 17:46:00 +09:00
Author: https://github.com/ldm5180
Commit: 5751327195
Pull-request: https://github.com/SerenityOS/serenity/pull/7282
Reviewed-by: https://github.com/linusg
15 changed files with 30 additions and 37 deletions
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@ -18,7 +18,7 @@
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namespace Kernel {
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static const u32 mepoch = 476763780;
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static constexpr u32 mepoch = 476763780;
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class Inode;
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class FileDescription;
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