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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-05-10 11:43:46 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-05-10 11:43:46 -0700 |
| commit | 2a267e7c41aa88215de2b542de797d03d16ecdfd (patch) | |
| tree | b949270835e304c8b60a40cde1b2c2e19c13b33a /include/linux/frontswap.h | |
| parent | 0981949da8f7498b96c6e0ae60680865ca283bf1 (diff) | |
| parent | e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd (diff) | |
Merge tag 'v5.1' into next
Sync up with mainline to bring in the latest APIs.
Diffstat (limited to 'include/linux/frontswap.h')
| -rw-r--r-- | include/linux/frontswap.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/frontswap.h b/include/linux/frontswap.h index 011965c08b93..6d775984905b 100644 --- a/include/linux/frontswap.h +++ b/include/linux/frontswap.h @@ -7,6 +7,13 @@ #include <linux/bitops.h> #include <linux/jump_label.h> +/* + * Return code to denote that requested number of + * frontswap pages are unused(moved to page cache). + * Used in in shmem_unuse and try_to_unuse. + */ +#define FRONTSWAP_PAGES_UNUSED 2 + struct frontswap_ops { void (*init)(unsigned); /* this swap type was just swapon'ed */ int (*store)(unsigned, pgoff_t, struct page *); /* store a page */ |