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authorJiri Kosina <[email protected]>2020-04-01 12:26:12 +0200
committerJiri Kosina <[email protected]>2020-04-01 12:26:12 +0200
commitc9f289701540baeef9ac7c9977d67a7259f404db (patch)
treeac3c29d41da02ac735c9a12da78905842fbccd2f /include/asm-generic/pgtable.h
parent0aac6f9aaae5fba08963651d2ce49930145e118f (diff)
parent910a7e89cec65efad254c947ce2bf8bf5b370962 (diff)
Merge branch 'for-5.7/appleir' into for-linus
- small code cleanups in hid-appleir from Lucas Tanure
Diffstat (limited to 'include/asm-generic/pgtable.h')
-rw-r--r--include/asm-generic/pgtable.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 798ea36a0549..e2e2bef07dd2 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -1238,4 +1238,24 @@ static inline bool arch_has_pfn_modify_check(void)
#define mm_pmd_folded(mm) __is_defined(__PAGETABLE_PMD_FOLDED)
#endif
+/*
+ * p?d_leaf() - true if this entry is a final mapping to a physical address.
+ * This differs from p?d_huge() by the fact that they are always available (if
+ * the architecture supports large pages at the appropriate level) even
+ * if CONFIG_HUGETLB_PAGE is not defined.
+ * Only meaningful when called on a valid entry.
+ */
+#ifndef pgd_leaf
+#define pgd_leaf(x) 0
+#endif
+#ifndef p4d_leaf
+#define p4d_leaf(x) 0
+#endif
+#ifndef pud_leaf
+#define pud_leaf(x) 0
+#endif
+#ifndef pmd_leaf
+#define pmd_leaf(x) 0
+#endif
+
#endif /* _ASM_GENERIC_PGTABLE_H */