diff options
| author | Anshuman Khandual <anshuman.khandual@arm.com> | 2025-10-31 07:12:55 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2025-11-11 19:13:03 +0000 |
| commit | e2e21a9757b9035d9f649e464c0b254cbbe8a148 (patch) | |
| tree | 3059a0211b62afd35d18a10088245feda3e4d876 | |
| parent | fc1abd409318b81274566e1808c598b0b0462dc6 (diff) | |
arm64/mm: Ensure PGD_SIZE is aligned to 64 bytes when PA_BITS = 52
Although the comment clearly states about PGD table's alignment requirement
(when PA_BITS = 52) but the subsequent BUILD_BUG_ON() tests size comparison
to 64 bytes instead. So change it as an actual alignment test.
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| -rw-r--r-- | arch/arm64/mm/pgd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/mm/pgd.c b/arch/arm64/mm/pgd.c index 8160cff35089..bf5110b91e2f 100644 --- a/arch/arm64/mm/pgd.c +++ b/arch/arm64/mm/pgd.c @@ -56,7 +56,7 @@ void __init pgtable_cache_init(void) * With 52-bit physical addresses, the architecture requires the * top-level table to be aligned to at least 64 bytes. */ - BUILD_BUG_ON(PGD_SIZE < 64); + BUILD_BUG_ON(!IS_ALIGNED(PGD_SIZE, 64)); #endif /* |