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由 Thomas Hellstrom 提交于
Following the update of pagewalk code commit a07984d48146 ("mm: pagewalk: add p4d_entry() and pgd_entry()") we can modify the mapping_dirty_helpers' huge page-table entry callbacks to avoid splitting when a huge pud or -pmd is encountered. Signed-off-by: NThomas Hellstrom <thellstrom@vmware.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Reviewed-by: NSteven Price <steven.price@arm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/20200203154305.15045-1-thomas_os@shipmail.orgSigned-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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