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-rw-r--r--kernel/futex.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/futex.c b/kernel/futex.c
index b59532862bc0..b4b9f960b610 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -486,10 +486,13 @@ static u64 get_inode_sequence_number(struct inode *inode)
* The key words are stored in @key on success.
*
* For shared mappings (when @fshared), the key is:
+ *
* ( inode->i_sequence, page->index, offset_within_page )
+ *
* [ also see get_inode_sequence_number() ]
*
* For private mappings (or when !@fshared), the key is:
+ *
* ( current->mm, address, 0 )
*
* This allows (cross process, where applicable) identification of the futex