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set KSTACK_GUARD_PAGES to 0 in purecap kernels #2275

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markjdb opened this issue Dec 21, 2024 · 0 comments
Open

set KSTACK_GUARD_PAGES to 0 in purecap kernels #2275

markjdb opened this issue Dec 21, 2024 · 0 comments

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@markjdb
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markjdb commented Dec 21, 2024

The kstack allocator includes a single guard page at the bottom of each stack. In principle these are unnecessary in purecap kernels and we should try setting KSTACK_GUARD_PAGES to 0 there.
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