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LoongArch: Make KASAN work with 5-level page-tables
authorHuacai Chen <chenhuacai@loongson.cn>
Tue, 12 Nov 2024 08:35:39 +0000 (16:35 +0800)
committerHuacai Chen <chenhuacai@loongson.cn>
Tue, 12 Nov 2024 08:35:39 +0000 (16:35 +0800)
commita410656643ce4844ba9875aa4e87a7779308259b
tree06f9dc903859209e4ac281bccfc6531c9d6267d8tree
parentc859900a841b0a6cd9a73d16426465e44cdde29ccommit | diff
LoongArch: Make KASAN work with 5-level page-tables

Make KASAN work with 5-level page-tables, including:
1. Implement and use __pgd_none() and kasan_p4d_offset().
2. As done in kasan_pmd_populate() and kasan_pte_populate(), restrict
   the loop conditions of kasan_p4d_populate() and kasan_pud_populate()
   to avoid unnecessary population.

Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
arch/loongarch/mm/kasan_init.c diff | blob | history
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