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-rw-r--r--include/linux/pgtable.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 5f36c055794b..5eb6bdf30c62 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -1505,6 +1505,9 @@ typedef unsigned int pgtbl_mod_mask;
#define has_transparent_hugepage() IS_BUILTIN(CONFIG_TRANSPARENT_HUGEPAGE)
#endif
+#ifndef has_transparent_pud_hugepage
+#define has_transparent_pud_hugepage() IS_BUILTIN(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD)
+#endif
/*
* On some architectures it depends on the mm if the p4d/pud or pmd
* layer of the page table hierarchy is folded or not.