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authorMuchun Song <songmuchun@bytedance.com>2022-04-22 14:00:33 +0800
committerWill Deacon <will@kernel.org>2022-04-22 11:28:36 +0100
commit23bc8f69f0eceecbb87c3801d2e48827d2dca92b (patch)
tree05082ad97d3264fe8b343fcddcc88712c26b39f2 /include
parent0ff74a23e08f909ce859039e860f53727dfed0dd (diff)
arm64: mm: fix p?d_leaf()
The pmd_leaf() is used to test a leaf mapped PMD, however, it misses the PROT_NONE mapped PMD on arm64. Fix it. A real world issue [1] caused by this was reported by Qian Cai. Also fix pud_leaf(). Link: https://patchwork.kernel.org/comment/24798260/ [1] Fixes: 8aa82df3c123 ("arm64: mm: add p?d_leaf() definitions") Reported-by: Qian Cai <quic_qiancai@quicinc.com> Signed-off-by: Muchun Song <songmuchun@bytedance.com> Link: https://lore.kernel.org/r/20220422060033.48711-1-songmuchun@bytedance.com Signed-off-by: Will Deacon <will@kernel.org>
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