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-rw-r--r--include/linux/mm_types.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index b34ff2cdbc4f..c29ab4c0cd5c 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -227,6 +227,7 @@ struct page {
* struct folio - Represents a contiguous set of bytes.
* @flags: Identical to the page flags.
* @lru: Least Recently Used list; tracks how recently this folio was used.
+ * @mlock_count: Number of times this folio has been pinned by mlock().
* @mapping: The file this page belongs to, or refers to the anon_vma for
* anonymous memory.
* @index: Offset within the file, in units of pages. For anonymous memory,
@@ -255,10 +256,14 @@ struct folio {
unsigned long flags;
union {
struct list_head lru;
+ /* private: avoid cluttering the output */
struct {
void *__filler;
+ /* public: */
unsigned int mlock_count;
+ /* private: */
};
+ /* public: */
};
struct address_space *mapping;
pgoff_t index;