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Revert an unneeded diff in 262254dc7d

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This commit is contained in:
Takashi Kokubun 2023-03-09 09:15:05 -08:00
parent 262254dc7d
commit 3938b79ef9
1 changed files with 3 additions and 3 deletions
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6
yjit/src/codegen.rs
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@ -7802,11 +7802,11 @@ impl CodegenGlobals {
// Memory protection syscalls need page-aligned addresses, so check it here. Assuming
// `virt_block` is page-aligned, `second_half` should be page-aligned as long as the
// page size in bytes is a power of two 2ﾂｹ竅ｹ or smaller. This is because the user
// requested size is half of mem_option ﾃ?2ﾂｲ竅ｰ as it's in MiB.
// page size in bytes is a power of two 2¹⁹ or smaller. This is because the user
// requested size is half of mem_option × 2²⁰ as it's in MiB.
//
// Basically, we don't support x86-64 2MiB and 1GiB pages. ARMv8 can do up to 64KiB
// (2ﾂｹ竅ｶ bytes) pages, which should be fine. 4KiB pages seem to be the most popular though.
// (2¹⁶ bytes) pages, which should be fine. 4KiB pages seem to be the most popular though.
let page_size = unsafe { rb_yjit_get_page_size() };
assert_eq!(
virt_block as usize % page_size.as_usize(), 0,