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-rw-r--r--include/linux/pagemap.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 0a2417fc531c..20d7cbabf654 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -306,9 +306,14 @@ static inline void mapping_set_large_folios(struct address_space *mapping)
__set_bit(AS_LARGE_FOLIO_SUPPORT, &mapping->flags);
}
+/*
+ * Large folio support currently depends on THP. These dependencies are
+ * being worked on but are not yet fixed.
+ */
static inline bool mapping_large_folio_support(struct address_space *mapping)
{
- return test_bit(AS_LARGE_FOLIO_SUPPORT, &mapping->flags);
+ return IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) &&
+ test_bit(AS_LARGE_FOLIO_SUPPORT, &mapping->flags);
}
static inline int filemap_nr_thps(struct address_space *mapping)