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由 Michael Ellerman 提交于
The page table dump code doesn't know about huge pages, so currently it crashes (or walks random memory, usually leading to a crash), if it finds a huge page. On Book3S we only see huge pages in the Linux page tables when we're using the P9 Radix MMU. Teaching the code to properly handle huge pages is a bit more involved, so for now just prevent the crash. Cc: stable@vger.kernel.org # v4.10+ Fixes: 8eb07b18 ("powerpc/mm: Dump linux pagetables") Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
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